fix: constant join issues

source/libs/parser/src/parCalcConst.c

@@ -118,6 +118,39 @@ static int32_t calcConstCondition(SCalcConstContext* pCxt, SNode** pNode) {
   return code;
 }
 
+static EDealRes rewriteCalcConstValue(SNode** pNode, void* pContext) {
+  int32_t                code = TSDB_CODE_SUCCESS;
+  int32_t                lino = 0;
+  SCalcConstContext* pCtx = (SCalcConstContext*)pContext;
+
+  if (QUERY_NODE_LOGIC_CONDITION == nodeType(*pNode)) {
+    return DEAL_RES_CONTINUE;
+  } else if (QUERY_NODE_OPERATOR == nodeType(*pNode)) {
+    SOperatorNode* pOp = (SOperatorNode*)*pNode;
+    if (OP_TYPE_EQUAL == pOp->opType && (TSDB_DATA_TYPE_TIMESTAMP == ((SExprNode*)pOp->pLeft)->resType.type || TSDB_DATA_TYPE_TIMESTAMP == ((SExprNode*)pOp->pRight)->resType.type)) {
+      code = calcConstNode(&pOp->pLeft);
+      if (TSDB_CODE_SUCCESS == code) {
+        code = calcConstNode(&pOp->pRight);
+      }
+      
+      goto _end;
+    }
+  }
+
+  if (TSDB_CODE_SUCCESS == code) {
+    code = calcConstCondition(pCtx, pNode);
+  }
+  
+_end:
+
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+    return DEAL_RES_ERROR;
+  }
+  
+  return DEAL_RES_IGNORE_CHILD;
+}
+
 static int32_t rewriteConditionForFromTable(SCalcConstContext* pCxt, SNode* pTable) {
   int32_t code = TSDB_CODE_SUCCESS;
   switch (nodeType(pTable)) {
@@ -132,6 +165,14 @@ static int32_t rewriteConditionForFromTable(SCalcConstContext* pCxt, SNode* pTab
       if (TSDB_CODE_SUCCESS == code) {
         code = rewriteConditionForFromTable(pCxt, pJoin->pRight);
       }
+      if (TSDB_CODE_SUCCESS == code && NULL != pJoin->pOnCond) {
+        code = rewriteCondition(pCxt, &pJoin->pOnCond);
+      }
+      if (TSDB_CODE_SUCCESS == code && NULL != pJoin->pOnCond) {
+        nodesRewriteExpr(&pJoin->pOnCond, rewriteCalcConstValue, pCxt);
+      }
+
+/*
       if (TSDB_CODE_SUCCESS == code && NULL != pJoin->pOnCond) {
         code = nodesCloneNode(pJoin->pOnCond, &pCond);
       }
@@ -142,18 +183,9 @@ static int32_t rewriteConditionForFromTable(SCalcConstContext* pCxt, SNode* pTab
         nodesDestroyNode(pJoin->pOnCond);
         pJoin->pOnCond = pCond;
         pCond = NULL;
-        /* TODO
-        SValueNode* pVal = (SValueNode*)pJoin->pOnCond;
-        if (TSDB_DATA_TYPE_BOOL == pVal->node.resType.type) {
-          if (pVal->datum.b) {
-            pJoin->condAlwaysTrue = true;
-          } else {
-            pJoin->condAlwaysFalse = true;
-          }
-        }
-        */
       }
       nodesDestroyNode(pCond);
+*/
       // todo empty table
       break;
     }

source/libs/parser/src/parTranslater.c

@@ -5107,21 +5107,34 @@ int32_t mergeInnerJoinConds(SNode** ppDst, SNode** ppSrc) {
   while (true) {
     if (QUERY_NODE_LOGIC_CONDITION == nodeType(*ppDst) && ((SLogicConditionNode*)*ppDst)->condType == LOGIC_COND_TYPE_AND) {
       SLogicConditionNode* pLogic = (SLogicConditionNode*)*ppDst;
+      if (QUERY_NODE_LOGIC_CONDITION == nodeType(*ppSrc) && ((SLogicConditionNode*)*ppSrc)->condType == LOGIC_COND_TYPE_AND) {
+        SLogicConditionNode* pSrcLogic = (SLogicConditionNode*)*ppSrc;
+        code = nodesListMakeStrictAppendList(&pLogic->pParameterList, pSrcLogic->pParameterList);
+        if (TSDB_CODE_SUCCESS == code) {
+          pSrcLogic->pParameterList = NULL;
+          nodesDestroyNode(*ppSrc);
+          *ppSrc = NULL;
+        }
+      } else {
         code = nodesListMakeStrictAppend(&pLogic->pParameterList, *ppSrc);
         if (TSDB_CODE_SUCCESS == code) {
           *ppSrc = NULL;
         }
+      }
+
       return code;
     }
 
-    if (QUERY_NODE_LOGIC_CONDITION == nodeType(*ppSrc) && ((SLogicConditionNode*)*ppSrc)->condType == LOGIC_COND_TYPE_AND) {
+    if (TSDB_CODE_SUCCESS == code && QUERY_NODE_LOGIC_CONDITION == nodeType(*ppSrc) && ((SLogicConditionNode*)*ppSrc)->condType == LOGIC_COND_TYPE_AND) {
       SNode* pTmp = *ppDst;
       *ppDst = *ppSrc;
       *ppSrc = pTmp;
       continue;
     }
 
+    if (TSDB_CODE_SUCCESS == code) {
       code = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION, &pNew);
+    }
     if (TSDB_CODE_SUCCESS == code) {
       SLogicConditionNode* pLogic = (SLogicConditionNode*)pNew;
       pLogic->condType = LOGIC_COND_TYPE_AND;
@@ -5229,7 +5242,7 @@ int32_t translateTable(STranslateContext* pCxt, SNode** pTable, bool inJoin) {
       if (TSDB_CODE_SUCCESS == code) {
         code = checkJoinTable(pCxt, pJoinTable);
       }
-      if (TSDB_CODE_SUCCESS == code && pCurrSmt->pWhere && JOIN_TYPE_INNER == pJoinTable->joinType) {
+      if (TSDB_CODE_SUCCESS == code && !inJoin && pCurrSmt->pWhere && JOIN_TYPE_INNER == pJoinTable->joinType) {
         if (pJoinTable->pOnCond) {
           code = mergeInnerJoinConds(&pJoinTable->pOnCond, &pCurrSmt->pWhere);
         } else {

source/libs/planner/src/planOptimizer.c

@@ -946,7 +946,7 @@ static int32_t pdcJoinSplitPrimInLogicCond(SJoinLogicNode* pJoin, SNode** ppInpu
   SNode*     pCond = NULL;
   WHERE_EACH(pCond, pLogicCond->pParameterList) {
     SNode* pNew = NULL;
-    if (pdcJoinIsPrimEqualCond(pJoin, pCond, constAsPrim) && (NULL == *ppPrimEqCond)) {
+    if (pdcJoinIsPrimEqualCond(pJoin, pCond, constAsPrim) && (NULL == *ppPrimEqCond) && (!constAsPrim || pJoin->leftConstPrimGot || pJoin->rightConstPrimGot)) {
       code = nodesCloneNode(pCond, &pNew);
       if (TSDB_CODE_SUCCESS != code) break;
       *ppPrimEqCond = pNew;
@@ -1446,7 +1446,7 @@ static int32_t pdcJoinSplitConstPrimEqCond(SOptimizeContext* pCxt, SJoinLogicNod
   if (QUERY_NODE_LOGIC_CONDITION == nodeType(*ppCond) &&
       LOGIC_COND_TYPE_AND == ((SLogicConditionNode*)*ppCond)->condType) {
     code = pdcJoinSplitPrimInLogicCond(pJoin, ppCond, &pPrimKeyEqCond, &pJoinOnCond, true);
-  } else if (pdcJoinIsPrimEqualCond(pJoin, *ppCond, true)) {
+  } else if (pdcJoinIsPrimEqualCond(pJoin, *ppCond, true) && (pJoin->leftConstPrimGot || pJoin->rightConstPrimGot)) {
     pPrimKeyEqCond = *ppCond;
     pJoinOnCond = NULL;
   } else {
@@ -1512,7 +1512,7 @@ static int32_t pdcJoinCheckAllCond(SOptimizeContext* pCxt, SJoinLogicNode* pJoin
   if (pJoin->leftNoOrderedSubQuery || pJoin->rightNoOrderedSubQuery || !primCondGot) {
     pJoin->noPrimKeyEqCond = true;
     int32_t code = pdcJoinSplitConstPrimEqCond(pCxt, pJoin, ppCond);
-    if (code || pJoin->pPrimKeyEqCond) {
+    if (code || (pJoin->pPrimKeyEqCond)) {
       return code;
     }
     

source/libs/planner/src/planPhysiCreater.c

@@ -1057,12 +1057,12 @@ static int32_t setMergeJoinPrimColEqCond(SNode* pEqCond, int32_t subType, int16_
   return code;
 }
 
-static int32_t removePrimColFromJoinTargets(SNodeList* pTargets, SValueNode* pLeftPrimExpr, SColumnNode** ppRemoved) {
+static int32_t removePrimColFromJoinTargets(SNodeList* pTargets, SValueNode* pPrimExpr, SColumnNode** ppRemoved) {
   int32_t code = TSDB_CODE_SUCCESS;
   SNode* pNode = NULL;
   FOREACH(pNode, pTargets) {
     SColumnNode* pCol = (SColumnNode*)pNode;
-    if (0 == strcmp(pCol->tableAlias, pLeftPrimExpr->node.srcTable) && 0 == strcmp(pCol->colName, pLeftPrimExpr->node.aliasName)) {
+    if (0 == strcmp(pCol->tableAlias, pPrimExpr->node.srcTable) && 0 == strcmp(pCol->colName, pPrimExpr->node.aliasName)) {
       code = nodesCloneNode(pNode, (SNode**)ppRemoved);
       ERASE_NODE(pTargets);
       break;

tests/army/query/joinConst/inner.now.csv

@@ -0,0 +1,377 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a join (select now as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select * from a1 a join (select now as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select a.* from a1 a join (select now as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select a.*, b.ts from a1 a join (select now as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select b.c from a1 a join (select now as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+
+taos> select b.ts from a1 a join (select now as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+
+taos> select * from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select b.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select b.c from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.ts1,a.ts from a1 a join (select now as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from a1 a join (select now as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1) a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1) a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select now ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now where tb.ts=now order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now where tb.ts>now;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:03.000 |         204 |           2 | __tomorrow__ 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select now as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+
+taos> select * from (select now as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+
+taos> select a.* from (select now as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.* from (select now as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.* from (select now as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+
+taos> select b.c from (select now as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.ts from (select now as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.ts1 from (select now as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select now ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now where tb.ts=now order by tb.val;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now where tb.ts>now;
+
+taos> select * from a1 a , (select now as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select * from a1 a , (select now as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+
+taos> select a.* from a1 a , (select now as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select b.* from a1 a , (select now as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select b.c from a1 a , (select now as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+
+taos> select b.ts from a1 a , (select now as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+
+taos> select b.ts1 from a1 a , (select now as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+
+taos> select * from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select a.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select b.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select b.c from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+
+taos> select b.ts1 from a1 a , (select now as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+
+taos> select a.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from a1 a , (select now as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from a1 a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1) a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1) a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select now ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now ;
+
+taos> select * from (select now as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+
+taos> select * from (select now as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+
+taos> select a.* from (select now as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.* from (select now as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.c from (select now as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.ts from (select now as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.ts1 from (select now as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.ts1 from (select now as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from (select now as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select now ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now order by tb.val;
+
+taos> select * from (select now ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now ;
+

tests/army/query/joinConst/inner.now.in

@@ -0,0 +1,143 @@
+use test;
+select * from a1 a join (select __const__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select * from a1 a join (select __const__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.* from a1 a join (select __const__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a join (select __const__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a join (select __const__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.*, b.ts from a1 a join (select __const__ as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+select b.c from a1 a join (select __const__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a join (select __const__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select a.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.c from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select a.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select b.ts1,a.ts from a1 a join (select __const__ as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select a.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.c from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select * from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select a.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.c from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1) a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1) a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select __const__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__const__ where tb.ts=__const__ order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__const__ where tb.ts>__const__;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+select * from (select __const__ as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+select * from (select __const__ as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+select a.* from (select __const__ as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.* from (select __const__ as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.* from (select __const__ as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+select b.c from (select __const__ as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select b.ts from (select __const__ as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+select b.ts1 from (select __const__ as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select * from (select __const__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__const__ where tb.ts=__const__ order by tb.val;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__const__ where tb.ts>__const__;
+
+
+
+select * from a1 a , (select __const__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select * from a1 a , (select __const__ as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+select a.* from a1 a , (select __const__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.* from a1 a , (select __const__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.c from a1 a , (select __const__ as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts from a1 a , (select __const__ as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts1 from a1 a , (select __const__ as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+select * from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select a.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select b.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select b.c from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+select b.ts1 from a1 a , (select __const__ as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+select a.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.c from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select * from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select a.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.c from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select * from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select a.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.c from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from a1 a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1) a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1) a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __const__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select __const__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__const__ order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__const__ ;
+
+select * from (select __const__ as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+select * from (select __const__ as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+select a.* from (select __const__ as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.* from (select __const__ as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.c from (select __const__ as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts from (select __const__ as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts1 from (select __const__ as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+select b.ts1 from (select __const__ as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select a.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.c from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __const__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select * from (select __const__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__const__ order by tb.val;
+select * from (select __const__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__const__ ;
+
+
+

tests/army/query/joinConst/inner.now_.csv

@@ -0,0 +1,377 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a join (select now() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select * from a1 a join (select now() as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select a.* from a1 a join (select now() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now() as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select a.*, b.ts from a1 a join (select now() as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+
+taos> select b.c from a1 a join (select now() as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+
+taos> select b.ts from a1 a join (select now() as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+
+taos> select * from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select b.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+
+taos> select b.c from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.ts1,a.ts from a1 a join (select now() as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+
+taos> select a.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from a1 a join (select now() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select now() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now() where tb.ts=now() order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now() where tb.ts>now();
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:03.000 |         204 |           2 | __tomorrow__ 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select now() as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+
+taos> select * from (select now() as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+
+taos> select a.* from (select now() as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.* from (select now() as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.* from (select now() as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+
+taos> select b.c from (select now() as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select b.ts from (select now() as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select b.ts1 from (select now() as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select now() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now() where tb.ts=now() order by tb.val;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now() where tb.ts>now();
+
+taos> select * from a1 a , (select now() as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select * from a1 a , (select now() as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+
+taos> select a.* from a1 a , (select now() as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select b.* from a1 a , (select now() as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+
+taos> select b.c from a1 a , (select now() as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+
+taos> select b.ts from a1 a , (select now() as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+
+taos> select b.ts1 from a1 a , (select now() as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+
+taos> select * from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select a.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select b.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+
+taos> select b.c from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+
+taos> select b.ts1 from a1 a , (select now() as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+
+taos> select a.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from a1 a , (select now() as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from a1 a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1) a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1) a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from a1 order by f) a , (select now() as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select now() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now() order by tb.val;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now() ;
+
+taos> select * from (select now() as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+
+taos> select * from (select now() as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+
+taos> select a.* from (select now() as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.* from (select now() as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.c from (select now() as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.ts from (select now() as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+
+taos> select b.ts1 from (select now() as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select b.ts1 from (select now() as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+
+taos> select * from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select a.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.* from (select now() as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.c from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select b.ts from (select now() as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select now() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=now() order by tb.val;
+
+taos> select * from (select now() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>now() ;
+

tests/army/query/joinConst/inner.today.in

@@ -0,0 +1,153 @@
+use test;
+select * from a1 a join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select * from a1 a join (select __today__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.* from a1 a join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a join (select __today__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.*, b.ts from a1 a join (select __today__ as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+select b.c from a1 a join (select __today__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a join (select __today__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select a.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.c from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select * from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select a.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select b.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select b.ts1,a.ts from a1 a join (select __today__ as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select * from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select a.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.c from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select * from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select a.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.* from a1 a join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.c from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from a1 a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ where tb.ts=__today__ order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ where tb.ts>__today__;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+select * from (select __today__ as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+select * from (select __today__ as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+select a.* from (select __today__ as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+select b.c from (select __today__ as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select b.ts from (select __today__ as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+select b.ts1 from (select __today__ as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select * from (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ where tb.ts=__today__ order by tb.val;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ where tb.ts>__today__;
+
+
+
+select * from a1 a , (select __today__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select * from a1 a , (select __today__ as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+select a.* from a1 a , (select __today__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.* from a1 a , (select __today__ as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.c from a1 a , (select __today__ as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts from a1 a , (select __today__ as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts1 from a1 a , (select __today__ as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+select * from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select a.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select b.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+select b.c from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+select b.ts1 from a1 a , (select __today__ as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+select * from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select a.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+select b.c from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select b.ts from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+select * from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select a.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.c from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+select * from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select a.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.* from a1 a , (select __today__ as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.c from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from a1 a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a , (select __today__ as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ ;
+
+select * from (select __today__ as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+select * from (select __today__ as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+select a.* from (select __today__ as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.* from (select __today__ as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.c from (select __today__ as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts from (select __today__ as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts1 from (select __today__ as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+select b.ts1 from (select __today__ as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+select * from (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ order by tb.val;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ ;
+
+
+

tests/army/query/joinConst/inner.today_ts.csv

@@ -0,0 +1,811 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+taos> select a.*, b.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts            |
+================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-05 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-05 00:00:02.000 |
+
+taos> select b.c from a1 a join (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+taos> select b.c from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      |  c  |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+            ts1            |           ts            |      f      |      g      |  c  |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.ts1,a.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1) a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1) a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a join (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select "2025-03-04 00:00:00.000" ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts="2025-03-04 00:00:00.000" where tb.ts="2025-03-04 00:00:00.000" order by tb.val;
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>"2025-03-04 00:00:00.000" where tb.ts>"2025-03-04 00:00:00.000";
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-05 00:00:03.000 |         204 |           2 | 2025-03-05 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+            ts             |      f      |      g      | 'a' |           ts            |      f      |      g      |
+====================================================================================================================
+                           |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+            ts1            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+====================================================================================================================
+                           |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+            ts             |      f      |      g      | 'a' |
+==============================================================
+                           |         301 |        3011 | a   |
+                           |         302 |        3012 | a   |
+                           |         303 |        3013 | a   |
+                           |         304 |        3014 | a   |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+            ts1            |      f      |      g      | 'a' |
+==============================================================
+                           |         301 |        3011 | a   |
+                           |         302 |        3012 | a   |
+                           |         303 |        3013 | a   |
+                           |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+            ts             |
+============================
+                           |
+                           |
+                           |
+                           |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+                           | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+                           | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+                           | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+                           | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+                           | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+            ts1            |
+============================
+                           |
+                           |
+                           |
+                           |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+            ts             |     val     |     tg2     |           ts            |     val     |     tg2     |
+==============================================================================================================
+                           |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts="2025-03-04 00:00:00.000" where tb.ts="2025-03-04 00:00:00.000" order by tb.val;
+            ts             |     val     |     tg2     |           ts            |     val     |     tg2     |
+==============================================================================================================
+                           |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>"2025-03-04 00:00:00.000" where tb.ts>"2025-03-04 00:00:00.000";
+
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+taos> select a.* from a1 a , (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+taos> select b.c from a1 a , (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+taos> select b.ts1 from a1 a , (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+taos> select a.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+taos> select b.c from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from a1 a , (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |            ts1            |           ts            |      f      |      g      | 'a' |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1) a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1) a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from a1 order by f) a , (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select "2025-03-04 00:00:00.000" ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts="2025-03-04 00:00:00.000" order by tb.val;
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>"2025-03-04 00:00:00.000" ;
+taos> select * from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+            ts             |      f      |      g      | 'a' |           ts            |      f      |      g      |
+====================================================================================================================
+                           |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+            ts1            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+====================================================================================================================
+                           |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+            ts             |      f      |      g      | 'a' |
+==============================================================
+                           |         301 |        3011 | a   |
+                           |         302 |        3012 | a   |
+                           |         303 |        3013 | a   |
+                           |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+            ts             |
+============================
+                           |
+                           |
+                           |
+                           |
+
+taos> select b.ts1 from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+            ts1            |
+============================
+                           |
+                           |
+                           |
+                           |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+                           | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+                           | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+                           | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+                           | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+                           | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+                           | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select "2025-03-04 00:00:00.000" as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+            ts1            |
+============================
+                           |
+                           |
+                           |
+                           |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000   | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==============================================================================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+            ts1            |           ts            |      f      |      g      | 'a' |
+========================================================================================
+ 2025-03-04 00:00:00.000   | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select "2025-03-04 00:00:00.000" as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+            ts             |     val     |     tg2     |           ts            |     val     |     tg2     |
+==============================================================================================================
+                           |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts="2025-03-04 00:00:00.000" order by tb.val;
+            ts             |     val     |     tg2     |           ts            |     val     |     tg2     |
+==============================================================================================================
+                           |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+                           |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+                           |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select "2025-03-04 00:00:00.000" ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>"2025-03-04 00:00:00.000" ;
+

tests/army/query/joinConst/inner.tomorrow_ts.csv

@@ -0,0 +1,969 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts            |      f      |      g      | 'a' |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select * from a1 a join (select today as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |      f      |      g      | 'a' |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.* from a1 a join (select today as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select a.*, b.ts from a1 a join (select today as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts            |
+================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-05 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-05 00:00:02.000 |
+
+taos> select b.c from a1 a join (select today as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select today as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select * from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      |  c  |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts1           |           ts            |      f      |      g      |  c  |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.ts1,a.ts from a1 a join (select today as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |
+====================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta join (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         301 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         302 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         303 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         304 |           1 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         401 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         402 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         403 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today where tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         301 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         302 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         303 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         304 |           1 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         401 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         402 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         403 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today where tb.ts>today;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-05 00:00:03.000 |         204 |           2 | 2025-03-05 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select today as ts, f, g, 'a' from b1) b join a1 a on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select today as ts1, f, g, 'a' from b1) b join a1 a on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.* from (select today as ts1, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select today as ts1, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts;
+           ts1           |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today where tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today where tb.ts>today;
+
+taos> select * from a1 a , (select today as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |           ts            |      f      |      g      | 'a' |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select * from a1 a , (select today as ts1, f, g, 'a' from b1) b where a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |      f      |      g      | 'a' |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a , (select today as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select today as ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a , (select today as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select today as ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts1 from a1 a , (select today as ts1, f, g, 'a' c from b1) b where a.ts = b.ts1;
+           ts1           |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from a1 a , (select today as ts1, f, g, 'a' c from b1) b where b.ts1 = a.ts;
+           ts1           |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:01.000 |         102 |        1012 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-05 00:00:00.000 |         103 |        1013 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-05 00:00:02.000 |         104 |        1014 | 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select a.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from a1 a , (select today as ts1, ts, f, g, 'a' from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from a1 a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a , (select today as ts1, ts, f, g, 'a' c from b1) b where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta , (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta , (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         301 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         302 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         303 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         304 |           1 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         401 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         402 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         403 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         301 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         302 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         303 |           1 |
+ 2025-03-04 00:00:00.000 |         101 |           1 | 2025-03-04 00:00:00.000 |         304 |           1 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         401 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         402 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         403 |           2 |
+ 2025-03-04 00:00:00.000 |         201 |           2 | 2025-03-04 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta , (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today ;
+
+taos> select * from (select today as ts, f, g, 'a' from b1) b , a1 a where a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select today as ts1, f, g, 'a' from b1) b , a1 a where a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select b.ts1 from (select today as ts1, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts1;
+           ts1           |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select today as ts1, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts;
+           ts1           |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   | 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   | 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   | 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+ 2025-03-04 00:00:01.000 |         102 |        1012 |
+ 2025-03-05 00:00:00.000 |         103 |        1013 |
+ 2025-03-05 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:00.000 | 2025-03-05 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 00:00:01.000 |
+ 2025-03-05 00:00:00.000 |
+ 2025-03-05 00:00:02.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   | 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ 2025-03-04 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ 2025-03-04 00:00:00.000 | 2025-03-04 00:00:00.000 |         301 |        3011 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b , a1 a  where b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ 2025-03-04 00:00:00.000 |
+
+taos> select * from (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta where ta.ts=tb.ts and ta.tg1=tb.tg1;
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ 2025-03-04 00:00:00.000 |         301 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         302 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         303 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         304 |           1 | 2025-03-04 00:00:00.000 |         101 |           1 |
+ 2025-03-04 00:00:00.000 |         401 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         402 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         403 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+ 2025-03-04 00:00:00.000 |         404 |           2 | 2025-03-04 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb , (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta where ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today ;
+

tests/army/query/joinConst/left_outer.today.csv

@@ -0,0 +1,641 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a left join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts            |      f      |      g      | 'a' |
+==================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL        | NULL        | NU. |
+
+taos> select * from a1 a left join (select today as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |      f      |      g      | 'a' |
+==================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.* from a1 a left join (select today as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.*, b.ts from a1 a left join (select today as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts            |
+================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:01.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __tomorrow__ 00:00:00.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __tomorrow__ 00:00:02.000 |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    |
+
+taos> select b.c from a1 a left join (select today as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select * from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      |  c  |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts1           |           ts            |      f      |      g      |  c  |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.ts1,a.ts from a1 a left join (select today as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |
+====================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ NULL                    | __today__ 00:00:01.000 |
+ NULL                    | __tomorrow__ 00:00:00.000 |
+ NULL                    | __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from a1) a left join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ NULL                    |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta left join (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+           ts            |     val     |     tg1     |           ts            |     val     |     tg1     |
+============================================================================================================
+ __tomorrow__ 00:00:03.000 |         204 |           1 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by ta.ts, ta.val, tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         301 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         302 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         303 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         304 |           1 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         401 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         402 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         403 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         404 |           2 |
+ __today__ 00:00:01.000 |         102 |           1 | NULL                    | NULL        | NULL        |
+ __today__ 00:00:01.000 |         202 |           2 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:00.000 |         103 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:00.000 |         203 |           2 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today where tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         301 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         302 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         303 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         304 |           1 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         401 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         402 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         403 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today where tb.ts>today;
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select today + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | __tomorrow__ 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select today as ts, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select today as ts1, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.* from (select today as ts1, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select today as ts1, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | __today__ 00:00:01.000 |         102 |        1012 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | NULL                    | NULL        | NULL        |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | NULL                    | NULL        | NULL        |
+
+taos> select a.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+
+taos> select b.* from (select today as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+           ts            |     val     |     tg1     |           ts            |     val     |     tg1     |
+============================================================================================================
+ __today__ 00:00:00.000 |         404 |           1 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         304 |           1 | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 |         404 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         301 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         302 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         303 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         304 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         401 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         402 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         403 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         404 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today where tb.ts=today order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         301 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         302 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         303 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         304 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         401 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         402 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         403 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         404 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today where tb.ts>today;
+

tests/army/query/joinConst/left_outer.today.in

@@ -0,0 +1,79 @@
+use test;
+select * from a1 a left join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select * from a1 a left join (select __today__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.* from a1 a left join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a left join (select __today__ as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a left join (select __today__ as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+select a.*, b.ts from a1 a left join (select __today__ as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+select b.c from a1 a left join (select __today__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a left join (select __today__ as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select a.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+select b.c from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select * from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select a.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select b.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+select b.ts1,a.ts from a1 a left join (select __today__ as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+select * from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select a.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+select b.c from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select b.ts from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+select * from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+select * from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select a.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.* from a1 a left join (select __today__ as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.c from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from a1 a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select __today__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from a1) a left join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta left join (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by ta.ts, ta.val, tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ where tb.ts=__today__ order by tb.val;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ where tb.ts>__today__;
+select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select __today__ + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+
+select * from (select __today__ as ts, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts;
+select * from (select __today__ as ts1, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts1;
+select a.* from (select __today__ as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts1, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts1;
+select b.c from (select __today__ as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+select b.ts from (select __today__ as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+select b.ts1 from (select __today__ as ts1, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+select * from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select a.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.* from (select __today__ as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.c from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select b.ts from (select __today__ as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+select * from (select __today__ ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=__today__ where tb.ts=__today__ order by tb.val;
+select * from (select __today__ ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>__today__ where tb.ts>__today__;
+
+

tests/army/query/joinConst/left_outer.today_.csv

@@ -0,0 +1,641 @@
+
+taos> use test;
+Database changed.
+
+taos> select * from a1 a left join (select today() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts            |      f      |      g      | 'a' |
+==================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL        | NULL        | NU. |
+
+taos> select * from a1 a left join (select today() as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |      f      |      g      | 'a' |
+==================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.* from a1 a left join (select today() as ts1, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.*, b.ts from a1 a left join (select today() as ts1,ts, f, g, 'a' from b1) b on a.ts = b.ts1;
+           ts            |      f      |      g      |           ts            |
+================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:01.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __tomorrow__ 00:00:00.000 |
+ __today__ 00:00:00.000 |         101 |        1011 | __tomorrow__ 00:00:02.000 |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    |
+
+taos> select b.c from a1 a left join (select today() as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today() as ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select * from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      |  c  |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+           ts1           |           ts            |      f      |      g      |  c  |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.ts1,a.ts from a1 a left join (select today() as ts1, f, g, 'a' c from b1) b on b.ts1 = a.ts;
+           ts1           |           ts            |
+====================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |
+ NULL                    | __today__ 00:00:01.000 |
+ NULL                    | __tomorrow__ 00:00:00.000 |
+ NULL                    | __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select a.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |           ts1           |           ts            |      f      |      g      | 'a' |
+============================================================================================================================================
+ __today__ 00:00:00.000 |         101 |        1011 | __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:01.000 |         102 |        1012 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 | NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select a.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from a1 a left join (select today() as ts1, ts, f, g, 'a' from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+ NULL                    | NULL                    | NULL        | NULL        | NU. |
+
+taos> select b.c from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+ NU. |
+ NU. |
+ NU. |
+
+taos> select b.ts from a1 a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1) a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1) a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts1 = a.ts1 and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1 order by f) a left join (select today() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from a1) a left join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ NULL                    |
+ NULL                    |
+ NULL                    |
+ NULL                    |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta left join (select today() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb on ta.ts=tb.ts and ta.tg1=tb.tg1;
+           ts            |     val     |     tg1     |           ts            |     val     |     tg1     |
+============================================================================================================
+ __tomorrow__ 00:00:03.000 |         204 |           1 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 order by ta.ts, ta.val, tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         301 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         302 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         303 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         304 |           1 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         401 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         402 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         403 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         404 |           2 |
+ __today__ 00:00:01.000 |         102 |           1 | NULL                    | NULL        | NULL        |
+ __today__ 00:00:01.000 |         202 |           2 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:00.000 |         103 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:00.000 |         203 |           2 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today() where tb.ts=today() order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         301 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         302 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         303 |           1 |
+ __today__ 00:00:00.000 |         101 |           1 | __today__ 00:00:00.000 |         304 |           1 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         401 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         402 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         403 |           2 |
+ __today__ 00:00:00.000 |         201 |           2 | __today__ 00:00:00.000 |         404 |           2 |
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta left join (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today() where tb.ts>today();
+
+taos> select * from (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta left join (select today() + 1d +3s ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __tomorrow__ 00:00:02.000 |         104 |           1 | NULL                    | NULL        | NULL        |
+ __tomorrow__ 00:00:03.000 |         204 |           2 | __tomorrow__ 00:00:03.000 |         404 |           2 |
+
+taos> select * from (select today() as ts, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select * from (select today() as ts1, f, g, 'a' from b1) b left join a1 a on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |           ts            |      f      |      g      |
+==================================================================================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today() as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today() as ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.* from (select today() as ts1, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts1;
+           ts1           |      f      |      g      | 'a' |
+============================================================
+ __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today() as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today() as ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+
+taos> select * from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select a.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 |         101 |        1011 |
+
+taos> select b.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts1 from (select today() as ts1, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts;
+           ts1           |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+ __today__ 00:00:00.000 |
+
+taos> select * from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | __today__ 00:00:01.000 |         102 |        1012 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select a.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:01.000 |         102 |        1012 |
+ __tomorrow__ 00:00:00.000 |         103 |        1013 |
+ __tomorrow__ 00:00:02.000 |         104 |        1014 |
+
+taos> select b.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | NULL                    | NULL        | NULL        |
+
+taos> select a.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+
+taos> select b.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts1 = a.ts and a.ts = b.ts;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |           ts            |      f      |      g      |
+============================================================================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   | __today__ 00:00:00.000 |         101 |        1011 |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   | NULL                    | NULL        | NULL        |
+
+taos> select a.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |      f      |      g      |
+======================================================
+ __today__ 00:00:00.000 |         101 |        1011 |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+ NULL                    | NULL        | NULL        |
+
+taos> select b.* from (select today() as ts1, ts, f, g, 'a' from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts1           |           ts            |      f      |      g      | 'a' |
+======================================================================================
+ __today__ 00:00:00.000 | __today__ 00:00:00.000 |         301 |        3011 | a   |
+ __today__ 00:00:00.000 | __today__ 00:00:01.000 |         302 |        3012 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:00.000 |         303 |        3013 | a   |
+ __today__ 00:00:00.000 | __tomorrow__ 00:00:02.000 |         304 |        3014 | a   |
+
+taos> select b.c from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+  c  |
+======
+ a   |
+ a   |
+ a   |
+ a   |
+
+taos> select b.ts from (select today() as ts1, ts, f, g, 'a' c from b1) b left join a1 a  on b.ts = a.ts and a.ts = b.ts1;
+           ts            |
+==========================
+ __today__ 00:00:00.000 |
+ __today__ 00:00:01.000 |
+ __tomorrow__ 00:00:00.000 |
+ __tomorrow__ 00:00:02.000 |
+
+taos> select * from (select today() ts, last(f) val, tg1 from stb where tg1 >= 0 partition by tg1 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg1 from sta where tg1=1 partition by tg1 order by ts) ta on ta.ts=tb.ts and ta.tg1=tb.tg1;
+           ts            |     val     |     tg1     |           ts            |     val     |     tg1     |
+============================================================================================================
+ __today__ 00:00:00.000 |         404 |           1 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         304 |           1 | NULL                    | NULL        | NULL        |
+ __today__ 00:00:00.000 |         404 |           2 | NULL                    | NULL        | NULL        |
+
+taos> select * from (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 order by tb.val;;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         301 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         302 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         303 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         304 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         401 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         402 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         403 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         404 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts=today() where tb.ts=today() order by tb.val;
+           ts            |     val     |     tg2     |           ts            |     val     |     tg2     |
+============================================================================================================
+ __today__ 00:00:00.000 |         301 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         302 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         303 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         304 |           1 | __today__ 00:00:00.000 |         101 |           1 |
+ __today__ 00:00:00.000 |         401 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         402 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         403 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+ __today__ 00:00:00.000 |         404 |           2 | __today__ 00:00:00.000 |         201 |           2 |
+
+taos> select * from (select today() ts, last(f) val, tg2 from stb where tg2 >= 0 partition by tg2 interval(1s) order by ts desc) tb left join (select last(ts) as `ts`,last(f) as `val`,tg2 from sta where tg2>0 partition by tg2 interval(1s) order by ts) ta on ta.ts=tb.ts and ta.tg2=tb.tg2 and tb.ts>today() where tb.ts>today();
+

tests/army/query/test_join_const.py

@@ -24,6 +24,9 @@ class TDTestCase(TBase):
         "slowLogScope": "none"
     }
 
+    today_ts = ""
+    tomorrow_ts = ""
+
     def insert_data(self):
         tdLog.printNoPrefix("==========step1:create table")
 
@@ -33,86 +36,130 @@ class TDTestCase(TBase):
         tdSql.execute("create table sta(ts timestamp, f int, g int) tags (tg1 int, tg2 int, tg3 int);")
         tdSql.execute("create table stb(ts timestamp, f int, g int) tags (tg1 int, tg2 int, tg3 int);")
         tdSql.query("select today();")
-        today_ts = tdSql.res[0][0].strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+        self.today_ts = tdSql.res[0][0].strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+        self.today_date = tdSql.res[0][0].strftime('%Y-%m-%d')
         tdSql.query("select today() + 1d;")
-        tomorrow_ts = tdSql.res[0][0].strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+        self.tomorrow_ts = tdSql.res[0][0].strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+        self.tomorrow_date = tdSql.res[0][0].strftime('%Y-%m-%d')
 
         tdLog.printNoPrefix("==========step2:insert data")
-        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{today_ts}',         101, 1011);")
+        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{self.today_ts}',         101, 1011);")
-        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{today_ts}' + 1s,    102, 1012);")
+        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{self.today_ts}' + 1s,    102, 1012);")
-        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{tomorrow_ts}',      103, 1013);")
+        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{self.tomorrow_ts}',      103, 1013);")
-        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{tomorrow_ts}' + 2s, 104, 1014);")
+        tdSql.execute(f"insert into a1 using sta tags(1, 1, 1) values('{self.tomorrow_ts}' + 2s, 104, 1014);")
 
-        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{today_ts}',         201, 2011);")
+        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{self.today_ts}',         201, 2011);")
-        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{today_ts}' + 1s,    202, 2012);")
+        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{self.today_ts}' + 1s,    202, 2012);")
-        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{tomorrow_ts}',      203, 2013);")
+        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{self.tomorrow_ts}',      203, 2013);")
-        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{tomorrow_ts}' + 3s, 204, 2014);")
+        tdSql.execute(f"insert into a2 using sta tags(1, 2, 2) values('{self.tomorrow_ts}' + 3s, 204, 2014);")
 
-        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{today_ts}',         301, 3011);")
+        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{self.today_ts}',         301, 3011);")
-        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{today_ts}' + 1s,    302, 3012);")
+        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{self.today_ts}' + 1s,    302, 3012);")
-        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{tomorrow_ts}',      303, 3013);")
+        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{self.tomorrow_ts}',      303, 3013);")
-        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{tomorrow_ts}' + 2s, 304, 3014);")
+        tdSql.execute(f"insert into b1 using stb tags(1, 1, 3) values('{self.tomorrow_ts}' + 2s, 304, 3014);")
 
-        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{today_ts}',         401, 4011);")
+        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{self.today_ts}',         401, 4011);")
-        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{today_ts}' + 1s,    402, 4012);")
+        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{self.today_ts}' + 1s,    402, 4012);")
-        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{tomorrow_ts}',      403, 4013);")
+        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{self.tomorrow_ts}',      403, 4013);")
-        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{tomorrow_ts}' + 3s, 404, 4014);")
+        tdSql.execute(f"insert into b2 using stb tags(1, 2, 4) values('{self.tomorrow_ts}' + 3s, 404, 4014);")
 
     def replace_string(self, input_file, output_file, old_str, new_str):
-        print("当前工作目录:", os.getcwd())
         script_dir = os.path.dirname(os.path.abspath(__file__))
         with open(f"{script_dir}/joinConst/{input_file}", 'r') as f_in, open(f"{script_dir}/joinConst/{output_file}", 'w') as f_out:
             for line in f_in:
                 modified_line = line.replace(old_str, new_str)
                 f_out.write(modified_line)
 
-    def test_normal_case(self, testCase):
+    def replace_string2(self, input_file, output_file, old_str, new_str):
-        self.replace_string(f'{testCase}.in', f'{testCase}.in.today_', '__today__', 'today()')
+        script_dir = os.path.dirname(os.path.abspath(__file__))
+        with open(f"{script_dir}/joinConst/{input_file}", 'r') as f_in, open(f"{script_dir}/joinConst/{output_file}", 'w', newline="\r\n") as f_out:
+            for line in f_in:
+                modified_line = line.replace(old_str, new_str)
+                f_out.write(modified_line)
+
+    def test_today_case(self, testCase):
+        tdLog.printNoPrefix(f"==========step:{testCase} + today() test")
+        self.replace_string(f'{testCase}.today.in', f'{testCase}.today_.in.tmp1', '__today__', 'today()')
+        self.replace_string(f'{testCase}.today_.csv', f'{testCase}.today_.csv.tmp1', '__today__', f'{self.today_date}')
+        self.replace_string2(f'{testCase}.today_.csv.tmp1', f'{testCase}.today_.csv.tmp2', '__tomorrow__', f'{self.tomorrow_date}')
         # read sql from .sql file and execute
-        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today_")
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.today_.in.tmp1")
-        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_.csv")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_.csv.tmp2")
         tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
 
-        self.replace_string(f'{testCase}.in', f'{testCase}.in.today', '__today__', 'today')
+        tdLog.printNoPrefix(f"==========step:{testCase} + today test")
+        self.replace_string(f'{testCase}.today.in', f'{testCase}.today.in.tmp1', '__today__', 'today')
+        self.replace_string(f'{testCase}.today.csv', f'{testCase}.today.csv.tmp1', '__today__', f'{self.today_date}')
+        self.replace_string2(f'{testCase}.today.csv.tmp1', f'{testCase}.today.csv.tmp2', '__tomorrow__', f'{self.tomorrow_date}')
         # read sql from .sql file and execute
-        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today")
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.today.in.tmp1")
-        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today.csv")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today.csv.tmp2")
         tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
 
-#        self.replace_string(f'{testCase}.in', f'{testCase}.in.now_', '__today__', 'now()')
+    def test_now_case(self, testCase):
-#        # read sql from .sql file and execute
+        tdLog.printNoPrefix(f"==========step:{testCase} + now() test")
-#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.now_")
+        self.replace_string(f'{testCase}.now.in', f'{testCase}.now_.in.tmp1', '__const__', 'now()')
-#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now_.csv")
+        self.replace_string(f'{testCase}.now_.csv', f'{testCase}.now_.csv.tmp1', '__today__', f'{self.today_date}')
-#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+        self.replace_string2(f'{testCase}.now_.csv.tmp1', f'{testCase}.now_.csv.tmp2', '__tomorrow__', f'{self.tomorrow_date}')
-#
+        # read sql from .sql file and execute
-#        self.replace_string(f'{testCase}.in', f'{testCase}.in.now', '__today__', 'now')
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.now_.in.tmp1")
-#        # read sql from .sql file and execute
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now_.csv.tmp2")
-#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.now")
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
-#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now.csv")
+
-#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+        tdLog.printNoPrefix(f"==========step:{testCase} + now test")
-#
+        self.replace_string(f'{testCase}.now.in', f'{testCase}.now.in.tmp1', '__const__', 'now')
-#        self.replace_string(f'{testCase}.in', f'{testCase}.in.today_ts', '__today__', f'{today_ts}')
+        self.replace_string(f'{testCase}.now.csv', f'{testCase}.now.csv.tmp1', '__today__', f'{self.today_date}')
-#        # read sql from .sql file and execute
+        self.replace_string2(f'{testCase}.now.csv.tmp1', f'{testCase}.now.csv.tmp2', '__tomorrow__', f'{self.tomorrow_date}')
-#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today_ts")
+        # read sql from .sql file and execute
-#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_ts.csv")
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.now.in.tmp1")
-#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now.csv.tmp2")
-#
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
-#        self.replace_string(f'{testCase}.in', f'{testCase}.in.tomorrow_ts', '__today__', f'{tomorrow_ts}')
+
-#        # read sql from .sql file and execute
+    def test_constts_case(self, testCase):
-#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.tomorrow_ts")
+        tdLog.printNoPrefix(f"==========step:{testCase} + ts:{self.today_ts} test")
-#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.tomorrow_ts.csv")
+        self.replace_string(f'{testCase}.constts.in', f'{testCase}.constts.in.tmp1', '__today__', f'"{self.today_ts}"')
-#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+        # read sql from .sql file and execute
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.constts.in.tmp1")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_ts.csv")
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+
+        tdLog.printNoPrefix(f"==========step:{testCase} + ts:{self.tomorrow_ts} test")
+        self.replace_string(f'{testCase}.constts.in', f'{testCase}.constts.in.tmp2', '__today__', f'"{self.tomorrow_ts}"')
+        # read sql from .sql file and execute
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.constts.in.tmp2")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.tomorrow_ts.csv")
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+
+    def test_nocheck_case(self):
+        tdLog.printNoPrefix(f"==========step:nocheck test")
+        tdSql.execute("select * from a1 a join (select now() as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;")
+        #tdSql.execute("select * from a1 a join (select now as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;")
+        #select b.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' c from b1) b on b.ts = a.ts;
+        #select * from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+        #select b.* from a1 a join (select __const__ as ts1, ts, f, g, 'a' from b1) b on a.ts = b.ts;
+        #select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+        #select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b join a1 a  on a.ts = b.ts;
+        #select * from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+        #select b.* from a1 a , (select __const__ as ts1, ts, f, g, 'a' from b1) b where a.ts = b.ts;
+        #select * from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
+        #select b.* from (select __const__ as ts1, ts, f, g, 'a' from b1) b , a1 a  where a.ts = b.ts;
 
     def test_abnormal_case(self):
-        tdLog.info("test abnormal case.")
+        tdLog.printNoPrefix(f"==========step:abnormal case test")
         tdSql.error("select interp(c1) from test.td32727 range('2020-02-01 00:00:00.000', '2020-02-01 00:00:30.000', -1s) every(2s) fill(prev, 99);")
 
     def run(self):
         tdLog.debug(f"start to excute {__file__}")
 
         self.insert_data()
-        self.test_normal_case("inner")
+
-        self.test_abnormal_case()
+        self.test_today_case("inner")
+        self.test_now_case("inner")
+        #self.test_constts_case("inner")
+
+        self.test_today_case("left_outer")
+
+        #self.test_abnormal_case()
 
         tdLog.success(f"{__file__} successfully executed")