diff --git a/include/libs/nodes/plannodes.h b/include/libs/nodes/plannodes.h
index ae1b68f90a..c79a7c4870 100644
--- a/include/libs/nodes/plannodes.h
+++ b/include/libs/nodes/plannodes.h
@@ -158,7 +158,10 @@ typedef struct SJoinLogicNode {
   
   // FOR CONST JOIN
   bool           noPrimKeyEqCond;
-  bool           constPrimGot;
+  bool           leftConstPrimGot;
+  bool           rightConstPrimGot;
+  bool           leftNoOrderedSubQuery;
+  bool           rightNoOrderedSubQuery;
 
   // FOR HASH JOIN
   int32_t     timeRangeTarget;  // table onCond filter
diff --git a/include/libs/nodes/querynodes.h b/include/libs/nodes/querynodes.h
index ff0ab597ff..b93ca5eda6 100644
--- a/include/libs/nodes/querynodes.h
+++ b/include/libs/nodes/querynodes.h
@@ -57,11 +57,13 @@ typedef struct SExprNode {
   SDataType resType;
   char      aliasName[TSDB_COL_NAME_LEN];
   char      userAlias[TSDB_COL_NAME_LEN];
+  char      srcTable[TSDB_TABLE_NAME_LEN];
   SArray*   pAssociation;
   bool      asAlias;
   bool      asParam;
   bool      asPosition;
   bool      joinSrc;
+//  bool      joinConst;
   int32_t   projIdx;
   int32_t   relatedTo;
   int32_t   bindExprID;
@@ -293,6 +295,10 @@ typedef struct SJoinTableNode {
   SNode*       addPrimCond;
   bool         hasSubQuery;
   bool         isLowLevelJoin;
+  bool         leftNoOrderedSubQuery;
+  bool         rightNoOrderedSubQuery;
+  //bool         condAlwaysTrue;
+  //bool         condAlwaysFalse;
   SNode*       pLeft;
   SNode*       pRight;
   SNode*       pOnCond;
diff --git a/source/libs/nodes/src/nodesCloneFuncs.c b/source/libs/nodes/src/nodesCloneFuncs.c
index 313ab854bc..1f5155a689 100644
--- a/source/libs/nodes/src/nodesCloneFuncs.c
+++ b/source/libs/nodes/src/nodesCloneFuncs.c
@@ -102,6 +102,7 @@ static int32_t exprNodeCopy(const SExprNode* pSrc, SExprNode* pDst) {
   COPY_OBJECT_FIELD(resType, sizeof(SDataType));
   COPY_CHAR_ARRAY_FIELD(aliasName);
   COPY_CHAR_ARRAY_FIELD(userAlias);
+  COPY_CHAR_ARRAY_FIELD(srcTable);
   COPY_SCALAR_FIELD(asAlias);
   COPY_SCALAR_FIELD(asParam);
   COPY_SCALAR_FIELD(asPosition);
@@ -323,6 +324,10 @@ static int32_t joinTableNodeCopy(const SJoinTableNode* pSrc, SJoinTableNode* pDs
   CLONE_NODE_FIELD(addPrimCond);
   COPY_SCALAR_FIELD(hasSubQuery);
   COPY_SCALAR_FIELD(isLowLevelJoin);
+  COPY_SCALAR_FIELD(leftNoOrderedSubQuery);
+  COPY_SCALAR_FIELD(rightNoOrderedSubQuery);
+  //COPY_SCALAR_FIELD(condAlwaysTrue);
+  //COPY_SCALAR_FIELD(condAlwaysFalse);
   CLONE_NODE_FIELD(pLeft);
   CLONE_NODE_FIELD(pRight);
   CLONE_NODE_FIELD(pOnCond);
@@ -545,7 +550,10 @@ static int32_t logicJoinCopy(const SJoinLogicNode* pSrc, SJoinLogicNode* pDst) {
   COPY_SCALAR_FIELD(hashJoinHint);
   COPY_SCALAR_FIELD(batchScanHint);
   COPY_SCALAR_FIELD(noPrimKeyEqCond);
-  COPY_SCALAR_FIELD(constPrimGot);
+  COPY_SCALAR_FIELD(leftConstPrimGot);
+  COPY_SCALAR_FIELD(rightConstPrimGot);
+  COPY_SCALAR_FIELD(leftNoOrderedSubQuery);
+  COPY_SCALAR_FIELD(rightNoOrderedSubQuery);
   CLONE_NODE_FIELD(pLeftOnCond);
   CLONE_NODE_FIELD(pRightOnCond);
   COPY_SCALAR_FIELD(timeRangeTarget);
diff --git a/source/libs/parser/src/parCalcConst.c b/source/libs/parser/src/parCalcConst.c
index a84de17438..96a0963516 100644
--- a/source/libs/parser/src/parCalcConst.c
+++ b/source/libs/parser/src/parCalcConst.c
@@ -127,13 +127,33 @@ static int32_t rewriteConditionForFromTable(SCalcConstContext* pCxt, SNode* pTab
     }
     case QUERY_NODE_JOIN_TABLE: {
       SJoinTableNode* pJoin = (SJoinTableNode*)pTable;
+      SNode* pCond = NULL;
       code = rewriteConditionForFromTable(pCxt, pJoin->pLeft);
       if (TSDB_CODE_SUCCESS == code) {
         code = rewriteConditionForFromTable(pCxt, pJoin->pRight);
       }
+      if (TSDB_CODE_SUCCESS == code && NULL != pJoin->pOnCond) {
+        code = nodesCloneNode(pJoin->pOnCond, &pCond);
+      }
       if (TSDB_CODE_SUCCESS == code && NULL != pJoin->pOnCond) {
         code = calcConstCondition(pCxt, &pJoin->pOnCond);
       }
+      if (TSDB_CODE_SUCCESS == code && pJoin->pOnCond && QUERY_NODE_VALUE == nodeType(pJoin->pOnCond)) {
+        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;
     }
@@ -215,7 +235,7 @@ static int32_t calcConstProject(SCalcConstContext* pCxt, SNode* pProject, bool d
     }
   }
 
-  char    aliasName[TSDB_COL_NAME_LEN] = {0};
+  char    aliasName[TSDB_COL_NAME_LEN] = {0}, srcTable[TSDB_TABLE_NAME_LEN] = {0};
   int32_t code = TSDB_CODE_SUCCESS;
   if (dual) {
     code = scalarCalculateConstantsFromDual(pProject, pNew);
@@ -229,11 +249,15 @@ static int32_t calcConstProject(SCalcConstContext* pCxt, SNode* pProject, bool d
         SAssociationNode* pAssNode = taosArrayGet(pAssociation, i);
         SNode**           pCol = pAssNode->pPlace;
         if (((SExprNode*)pAssNode->pAssociationNode)->joinSrc) {
+//          ((SExprNode*)pAssNode->pAssociationNode)->joinConst = true;
           continue;
         }
         
         if (*pCol == pAssNode->pAssociationNode) {
           tstrncpy(aliasName, ((SExprNode*)*pCol)->aliasName, TSDB_COL_NAME_LEN);
+          if (QUERY_NODE_COLUMN == nodeType(*pCol)) {
+            tstrncpy(srcTable, ((SColumnNode*)*pCol)->tableAlias, TSDB_TABLE_NAME_LEN);
+          }
           SArray* pOrigAss = NULL;
           TSWAP(((SExprNode*)*pCol)->pAssociation, pOrigAss);
           nodesDestroyNode(*pCol);
@@ -241,6 +265,9 @@ static int32_t calcConstProject(SCalcConstContext* pCxt, SNode* pProject, bool d
           code = nodesCloneNode(*pNew, pCol);
           if (TSDB_CODE_SUCCESS == code) {
             tstrncpy(((SExprNode*)*pCol)->aliasName, aliasName, TSDB_COL_NAME_LEN);
+            if (srcTable[0]) {
+              tstrncpy(((SExprNode*)*pCol)->srcTable, srcTable, TSDB_TABLE_NAME_LEN);
+            }
             TSWAP(pOrigAss, ((SExprNode*)*pCol)->pAssociation);
           }
           taosArrayDestroy(pOrigAss);
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 0d8255b2d6..07d674f70c 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -4760,6 +4760,7 @@ static int32_t checkJoinTable(STranslateContext* pCxt, SJoinTableNode* pJoinTabl
       return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SUPPORT_JOIN,
                                      "Join requires valid time series input");
     }
+    pJoinTable->leftNoOrderedSubQuery = true;
   }
 
   if (QUERY_NODE_TEMP_TABLE == nodeType(pJoinTable->pRight) &&
@@ -4768,6 +4769,7 @@ static int32_t checkJoinTable(STranslateContext* pCxt, SJoinTableNode* pJoinTabl
       return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SUPPORT_JOIN,
                                      "Join requires valid time series input");
     }
+    pJoinTable->rightNoOrderedSubQuery = true;
   }
 
 
@@ -5098,6 +5100,49 @@ static int32_t setJoinTimeLineResMode(STranslateContext* pCxt) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t mergeInnerJoinConds(SNode** ppDst, SNode** ppSrc) {
+  SNode* pNew = NULL;
+  int32_t code = TSDB_CODE_SUCCESS;
+
+  while (true) {
+    if (QUERY_NODE_LOGIC_CONDITION == nodeType(*ppDst) && ((SLogicConditionNode*)*ppDst)->condType == LOGIC_COND_TYPE_AND) {
+      SLogicConditionNode* pLogic = (SLogicConditionNode*)*ppDst;
+      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) {
+      SNode* pTmp = *ppDst;
+      *ppDst = *ppSrc;
+      *ppSrc = pTmp;
+      continue;
+    }
+
+    code = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION, &pNew);
+    if (TSDB_CODE_SUCCESS == code) {
+      SLogicConditionNode* pLogic = (SLogicConditionNode*)pNew;
+      pLogic->condType = LOGIC_COND_TYPE_AND;
+      pLogic->node.resType.type = TSDB_DATA_TYPE_BOOL;
+      pLogic->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
+      code = nodesListMakeStrictAppend(&pLogic->pParameterList, *ppSrc);
+      if (TSDB_CODE_SUCCESS == code) {
+        *ppSrc = *ppDst;
+        *ppDst = pNew;
+        continue;
+      }
+    }
+
+    if (code) {
+      break;
+    }
+  }
+
+  return code;
+}
+
 int32_t translateTable(STranslateContext* pCxt, SNode** pTable, bool inJoin) {
   SSelectStmt* pCurrSmt = (SSelectStmt*)(pCxt->pCurrStmt);
   int32_t      code = TSDB_CODE_SUCCESS;
@@ -5184,6 +5229,14 @@ 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 (pJoinTable->pOnCond) {
+          code = mergeInnerJoinConds(&pJoinTable->pOnCond, &pCurrSmt->pWhere);
+        } else {
+          pJoinTable->pOnCond = pCurrSmt->pWhere;
+          pCurrSmt->pWhere = NULL;
+        }
+      }      
       if (TSDB_CODE_SUCCESS == code) {
         pJoinTable->table.precision = calcJoinTablePrecision(pJoinTable);
         pJoinTable->table.singleTable = joinTableIsSingleTable(pJoinTable);
diff --git a/source/libs/planner/src/planLogicCreater.c b/source/libs/planner/src/planLogicCreater.c
index 273fd9abfc..d88bcb6f4b 100644
--- a/source/libs/planner/src/planLogicCreater.c
+++ b/source/libs/planner/src/planLogicCreater.c
@@ -600,6 +600,8 @@ static int32_t createJoinLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect
   pJoin->node.requireDataOrder = pJoin->hashJoinHint ? DATA_ORDER_LEVEL_NONE : DATA_ORDER_LEVEL_GLOBAL;
   pJoin->node.resultDataOrder = DATA_ORDER_LEVEL_NONE;
   pJoin->isLowLevelJoin = pJoinTable->isLowLevelJoin;
+  pJoin->leftNoOrderedSubQuery = pJoinTable->leftNoOrderedSubQuery;
+  pJoin->rightNoOrderedSubQuery = pJoinTable->leftNoOrderedSubQuery;
   
   code = nodesCloneNode(pJoinTable->pWindowOffset, &pJoin->pWindowOffset);
   if (TSDB_CODE_SUCCESS == code) {
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index be1632d740..2e23a9987b 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -630,8 +630,16 @@ static bool pdcJoinColInTableColList(SNode* pNode, SNodeList* pTableCols) {
 }
 
 static bool pdcJoinColInTableList(SNode* pCondCol, SSHashObj* pTables) {
-  SColumnNode* pTableCol = (SColumnNode*)pCondCol;
-  if (NULL == tSimpleHashGet(pTables, pTableCol->tableAlias, strlen(pTableCol->tableAlias))) {
+  char* pTableAlias = NULL;
+  if (QUERY_NODE_COLUMN == nodeType(pCondCol)) {
+    SColumnNode* pTableCol = (SColumnNode*)pCondCol;
+    pTableAlias = pTableCol->tableAlias;
+  } else if (QUERY_NODE_VALUE == nodeType(pCondCol)) {
+    SValueNode* pVal = (SValueNode*)pCondCol;
+    pTableAlias = pVal->node.srcTable;
+  }
+  
+  if (NULL == tSimpleHashGet(pTables, pTableAlias, strlen(pTableAlias))) {
     return false;
   }
   return true;
@@ -835,8 +843,10 @@ static bool pdcJoinIsPrim(SNode* pNode, SSHashObj* pTables, bool constAsPrim, bo
   if (QUERY_NODE_VALUE == nodeType(pNode)) {
     SValueNode* pVal = (SValueNode*)pNode;
     if (TSDB_DATA_TYPE_NULL != pVal->node.resType.type && !pVal->isNull) {
-      *constPrimGot = true;
-      return true;
+      if (pdcJoinColInTableList(pNode, pTables)) {
+        *constPrimGot = true;
+        return true;
+      }
     }
 
     return false;
@@ -890,15 +900,11 @@ static bool pdcJoinIsPrimEqualCond(SJoinLogicNode* pJoin, SNode* pCond, bool con
   }
 
   bool res = false, constGot = false;
-  if (pdcJoinIsPrim(pOper->pLeft, pLeftTables, constAsPrim, &constGot)) {
-    res = pdcJoinIsPrim(pOper->pRight, pRightTables, constAsPrim, &constGot);
-    if (constGot) {
-      pJoin->constPrimGot = true;
-    }
-  } else if (pdcJoinIsPrim(pOper->pLeft, pRightTables, constAsPrim, &constGot)) {
-    res = pdcJoinIsPrim(pOper->pRight, pLeftTables, constAsPrim, &constGot);
-    if (constGot) {
-      pJoin->constPrimGot = true;
+  if (pdcJoinIsPrim(pOper->pLeft, pLeftTables, constAsPrim, &pJoin->leftConstPrimGot)) {
+    res = pdcJoinIsPrim(pOper->pRight, pRightTables, constAsPrim, &pJoin->rightConstPrimGot);
+  } else if (pdcJoinIsPrim(pOper->pLeft, pRightTables, constAsPrim, &pJoin->rightConstPrimGot)) {
+    res = pdcJoinIsPrim(pOper->pRight, pLeftTables, constAsPrim, &pJoin->leftConstPrimGot);
+    if (pJoin->rightConstPrimGot || pJoin->leftConstPrimGot) {
       TSWAP(pOper->pLeft, pOper->pRight);
     }
   }
@@ -940,12 +946,14 @@ static int32_t pdcJoinSplitPrimInLogicCond(SJoinLogicNode* pJoin, SNode** ppInpu
   SNode*     pCond = NULL;
   WHERE_EACH(pCond, pLogicCond->pParameterList) {
     SNode* pNew = NULL;
-    code = nodesCloneNode(pCond, &pNew);
-    if (TSDB_CODE_SUCCESS != code) break;
     if (pdcJoinIsPrimEqualCond(pJoin, pCond, constAsPrim) && (NULL == *ppPrimEqCond)) {
+      code = nodesCloneNode(pCond, &pNew);
+      if (TSDB_CODE_SUCCESS != code) break;
       *ppPrimEqCond = pNew;
       ERASE_NODE(pLogicCond->pParameterList);
     } else {
+      code = nodesCloneNode(pCond, &pNew);
+      if (TSDB_CODE_SUCCESS != code) break;
       code = nodesListMakeAppend(&pOnConds, pNew);
       if (TSDB_CODE_SUCCESS != code) break;
       WHERE_NEXT;
@@ -1448,7 +1456,7 @@ static int32_t pdcJoinSplitConstPrimEqCond(SOptimizeContext* pCxt, SJoinLogicNod
   if (TSDB_CODE_SUCCESS == code) {
     pJoin->pPrimKeyEqCond = pPrimKeyEqCond;
     *ppCond = pJoinOnCond;
-    if (pJoin->constPrimGot) {
+    if (pJoin->rightConstPrimGot || pJoin->leftConstPrimGot) {
       code = scalarConvertOpValueNodeTs((SOperatorNode*)pJoin->pPrimKeyEqCond);
     }    
   } else {
@@ -1478,7 +1486,8 @@ static int32_t pdcJoinCheckAllCond(SOptimizeContext* pCxt, SJoinLogicNode* pJoin
 
   SNode** ppCond = pJoin->pFullOnCond ? &pJoin->pFullOnCond : &pJoin->node.pConditions;
   bool   errCond = false;
-  if (!pdcJoinHasPrimEqualCond(pJoin, *ppCond, &errCond)) {
+  bool   primCondGot = pdcJoinHasPrimEqualCond(pJoin, *ppCond, &errCond);
+  if (!primCondGot) {
     if (errCond && !(IS_INNER_NONE_JOIN(pJoin->joinType, pJoin->subType) && NULL != pJoin->pFullOnCond &&
                      NULL != pJoin->node.pConditions)) {
       return generateUsageErrMsg(pCxt->pPlanCxt->pMsg, pCxt->pPlanCxt->msgLen, TSDB_CODE_PLAN_NOT_SUPPORT_JOIN_COND);
@@ -1486,7 +1495,8 @@ static int32_t pdcJoinCheckAllCond(SOptimizeContext* pCxt, SJoinLogicNode* pJoin
 
     if (IS_INNER_NONE_JOIN(pJoin->joinType, pJoin->subType) && NULL != pJoin->pFullOnCond &&
         NULL != pJoin->node.pConditions) {
-      if (pdcJoinHasPrimEqualCond(pJoin, pJoin->node.pConditions, &errCond)) {
+      primCondGot = pdcJoinHasPrimEqualCond(pJoin, pJoin->node.pConditions, &errCond);  
+      if (primCondGot) {
         return TSDB_CODE_SUCCESS;
       }
       if (errCond) {
@@ -1497,7 +1507,9 @@ static int32_t pdcJoinCheckAllCond(SOptimizeContext* pCxt, SJoinLogicNode* pJoin
     if (IS_WINDOW_JOIN(pJoin->subType) || IS_ASOF_JOIN(pJoin->subType)) {
       return TSDB_CODE_SUCCESS;
     }
+  } 
 
+  if (pJoin->leftNoOrderedSubQuery || pJoin->rightNoOrderedSubQuery || !primCondGot) {
     pJoin->noPrimKeyEqCond = true;
     int32_t code = pdcJoinSplitConstPrimEqCond(pCxt, pJoin, ppCond);
     if (code || pJoin->pPrimKeyEqCond) {
@@ -1515,6 +1527,10 @@ static int32_t pdcJoinCheckAllCond(SOptimizeContext* pCxt, SJoinLogicNode* pJoin
     return generateUsageErrMsg(pCxt->pPlanCxt->pMsg, pCxt->pPlanCxt->msgLen, TSDB_CODE_PLAN_EXPECTED_TS_EQUAL);
   }
 
+  //if ((pJoin->leftNoOrderedSubQuery || pJoin->rightNoOrderedSubQuery) && !primCondGot) {
+  //  return generateUsageErrMsg(pCxt->pPlanCxt->pMsg, pCxt->pPlanCxt->msgLen, TSDB_CODE_PAR_VALID_TS_SERIOUS_REQUIRED);
+  //}
+
   if (IS_ASOF_JOIN(pJoin->subType)) {
     nodesDestroyNode(pJoin->addPrimEqCond);
     pJoin->addPrimEqCond = NULL;
@@ -2680,7 +2696,7 @@ static int32_t sortForJoinOptimizeImpl(SOptimizeContext* pCxt, SLogicSubplan* pL
 
   bool           res = false;
   SOperatorNode* pOp = (SOperatorNode*)pJoin->pPrimKeyEqCond;
-  if (QUERY_NODE_VALUE != nodeType(pOp->pLeft) || QUERY_NODE_VALUE != nodeType(pOp->pRight)) {
+  if (QUERY_NODE_VALUE == nodeType(pOp->pLeft) || QUERY_NODE_VALUE == nodeType(pOp->pRight)) {
     return TSDB_CODE_SUCCESS;
   }
 
diff --git a/source/libs/planner/src/planPhysiCreater.c b/source/libs/planner/src/planPhysiCreater.c
index 108379725c..8a7d940789 100644
--- a/source/libs/planner/src/planPhysiCreater.c
+++ b/source/libs/planner/src/planPhysiCreater.c
@@ -375,7 +375,7 @@ static EDealRes doSetSlotId(SNode* pNode, void* pContext) {
     SSetSlotIdCxt* pCxt = (SSetSlotIdCxt*)pContext;
     char*          name = NULL;
     int32_t        len = 0;
-    pCxt->errCode = getSlotKey(pNode, NULL, &name, &len, 16);
+    pCxt->errCode = getSlotKey(pNode, NULL, &name, &len, 64);
     if (TSDB_CODE_SUCCESS != pCxt->errCode) {
       return DEAL_RES_ERROR;
     }
@@ -386,7 +386,10 @@ static EDealRes doSetSlotId(SNode* pNode, void* pContext) {
       if (!pIndex) {
         pIndex = taosHashGet(pCxt->pRightProdIdxHash, name, strlen(name));
       }
-    } else {
+    }
+
+    if (NULL == pIndex) {
+      name[len] = 0;
       pIndex = taosHashGet(pCxt->pLeftHash, name, len);
       if (NULL == pIndex) {
         pIndex = taosHashGet(pCxt->pRightHash, name, len);
@@ -948,7 +951,7 @@ static int32_t setMergeJoinPrimColEqCond(SNode* pEqCond, int32_t subType, int16_
         break;
       }
       case QUERY_NODE_VALUE: {
-        if (pJoinLogicNode && pJoinLogicNode->constPrimGot) {
+        if (pJoinLogicNode && pJoinLogicNode->leftConstPrimGot) {
           pJoin->leftPrimExpr = NULL;
           code = nodesCloneNode(pOp->pLeft, &pJoin->leftPrimExpr);
           break;
@@ -1006,7 +1009,7 @@ static int32_t setMergeJoinPrimColEqCond(SNode* pEqCond, int32_t subType, int16_
         break;
       }
       case QUERY_NODE_VALUE: {
-        if (pJoinLogicNode && pJoinLogicNode->constPrimGot) {
+        if (pJoinLogicNode && pJoinLogicNode->rightConstPrimGot) {
           pJoin->rightPrimExpr = NULL;
           code = nodesCloneNode(pOp->pRight, &pJoin->rightPrimExpr);
           break;
@@ -1054,6 +1057,33 @@ static int32_t setMergeJoinPrimColEqCond(SNode* pEqCond, int32_t subType, int16_
   return code;
 }
 
+static int32_t removePrimColFromJoinTargets(SNodeList* pTargets, SValueNode* pLeftPrimExpr, 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)) {
+      code = nodesCloneNode(pNode, (SNode**)ppRemoved);
+      ERASE_NODE(pTargets);
+      break;
+    }
+  }
+
+  return code;
+}
+
+static int32_t appendPrimColToJoinTargets(SSortMergeJoinPhysiNode* pJoin, SColumnNode** ppTarget, STargetNode* primExpr, int16_t blkId) {
+  SColumnNode* pCol = *ppTarget;
+  pCol->dataBlockId = blkId;
+  pCol->slotId = primExpr->slotId;
+  int32_t code = nodesListMakeStrictAppend(&pJoin->pTargets, (SNode *)pCol);
+  if (TSDB_CODE_SUCCESS == code) {
+    *ppTarget = NULL;
+  }
+
+  return code;
+}
+
 static int32_t createMergeJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChildren, SJoinLogicNode* pJoinLogicNode,
                                         SPhysiNode** pPhyNode) {
   SSortMergeJoinPhysiNode* pJoin =
@@ -1115,11 +1145,32 @@ static int32_t createMergeJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChi
     nodesDestroyNode(pPrimKeyCond);
   }
 
+  SValueNode* pLeftPrimExpr = NULL, *pRightPrimExpr = NULL;
+  SColumnNode* pLeftTarget = NULL, *pRightTarget = NULL;
+  if (TSDB_CODE_SUCCESS == code && pJoinLogicNode->leftConstPrimGot && pJoin->leftPrimExpr 
+      && QUERY_NODE_VALUE == nodeType(((STargetNode*)pJoin->leftPrimExpr)->pExpr)) {
+    pLeftPrimExpr = (SValueNode*)((STargetNode*)pJoin->leftPrimExpr)->pExpr;
+    code = removePrimColFromJoinTargets(pJoinLogicNode->node.pTargets, pLeftPrimExpr, &pLeftTarget);
+  }
+
+  if (TSDB_CODE_SUCCESS == code && pJoinLogicNode->rightConstPrimGot && pJoin->rightPrimExpr 
+      && QUERY_NODE_VALUE == nodeType(((STargetNode*)pJoin->rightPrimExpr)->pExpr)) {
+    pRightPrimExpr = (SValueNode*)((STargetNode*)pJoin->rightPrimExpr)->pExpr;
+    code = removePrimColFromJoinTargets(pJoinLogicNode->node.pTargets, pRightPrimExpr, &pRightTarget);
+  }
+
   if (TSDB_CODE_SUCCESS == code) {
     code = setListSlotId(pCxt, pLeftDesc->dataBlockId, pRightDesc->dataBlockId, pJoinLogicNode->node.pTargets,
                          &pJoin->pTargets);
   }
 
+  if (TSDB_CODE_SUCCESS == code && pLeftPrimExpr && pLeftTarget) {
+    code = appendPrimColToJoinTargets(pJoin, &pLeftTarget, (STargetNode*)pJoin->leftPrimExpr, pLeftDesc->dataBlockId);
+  }
+  if (TSDB_CODE_SUCCESS == code && pRightPrimExpr && pRightTarget) {
+    code = appendPrimColToJoinTargets(pJoin, &pRightTarget, (STargetNode*)pJoin->rightPrimExpr, pRightDesc->dataBlockId);
+  }
+
   if (TSDB_CODE_SUCCESS == code && NULL != pJoinLogicNode->pFullOnCond) {
     code = setNodeSlotId(pCxt, ((SPhysiNode*)pJoin)->pOutputDataBlockDesc->dataBlockId, -1, pJoinLogicNode->pFullOnCond,
                          &pJoin->pFullOnCond);
@@ -1171,6 +1222,8 @@ static int32_t createMergeJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChi
     *pPhyNode = (SPhysiNode*)pJoin;
   } else {
     nodesDestroyNode((SNode*)pJoin);
+    nodesDestroyNode((SNode*)pLeftTarget);
+    nodesDestroyNode((SNode*)pRightTarget);
   }
 
   return code;
diff --git a/source/libs/planner/src/planUtil.c b/source/libs/planner/src/planUtil.c
index a31b132cae..311116335e 100644
--- a/source/libs/planner/src/planUtil.c
+++ b/source/libs/planner/src/planUtil.c
@@ -26,6 +26,8 @@ static char* getUsageErrFormat(int32_t errCode) {
       return "not support cross join";
     case TSDB_CODE_PLAN_NOT_SUPPORT_JOIN_COND:
       return "Not supported join conditions";
+    case TSDB_CODE_PAR_VALID_TS_SERIOUS_REQUIRED:
+      return "Valid time series required as input";
     default:
       break;
   }
diff --git a/tests/army/query/joinConst/inner.in b/tests/army/query/joinConst/inner.in
new file mode 100644
index 0000000000..fcd0bee97d
--- /dev/null
+++ b/tests/army/query/joinConst/inner.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__ ;
+
+
+
diff --git a/tests/army/query/joinConst/inner.today.csv b/tests/army/query/joinConst/inner.today.csv
new file mode 100644
index 0000000000..16bc5787e2
--- /dev/null
+++ b/tests/army/query/joinConst/inner.today.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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:01.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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  |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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  |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+====================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-04 00:00:03.000 |         204 |           2 | 2025-03-04 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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 ;
+
diff --git a/tests/army/query/joinConst/inner.today_.csv b/tests/army/query/joinConst/inner.today_.csv
new file mode 100644
index 0000000000..5f613e1b93
--- /dev/null
+++ b/tests/army/query/joinConst/inner.today_.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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:01.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-04 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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  |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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  |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+====================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-04 00:00:03.000 |         204 |           2 | 2025-03-04 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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' |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:01.000 |         102 |        1012 | 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-04 00:00:00.000 |         103 |        1013 | 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-04 00:00:02.000 |         104 |        1014 | 2025-03-03 00:00:00.000 | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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' |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 | 2025-03-03 00:00:00.000 | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         301 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         302 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         303 |           1 |
+ 2025-03-03 00:00:00.000 |         101 |           1 | 2025-03-03 00:00:00.000 |         304 |           1 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         401 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         402 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 00:00:00.000 |         403 |           2 |
+ 2025-03-03 00:00:00.000 |         201 |           2 | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+==================================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+============================================================
+ 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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           |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   | 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   | 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:02.000 |         304 |        3014 | a   | 2025-03-04 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      |
+======================================================
+ 2025-03-03 00:00:00.000 |         101 |        1011 |
+ 2025-03-03 00:00:01.000 |         102 |        1012 |
+ 2025-03-04 00:00:00.000 |         103 |        1013 |
+ 2025-03-04 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:01.000 |         302 |        3012 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 00:00:00.000 |         303 |        3013 | a   |
+ 2025-03-03 00:00:00.000 | 2025-03-04 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            |
+==========================
+ 2025-03-03 00:00:00.000 |
+ 2025-03-03 00:00:01.000 |
+ 2025-03-04 00:00:00.000 |
+ 2025-03-04 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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      |
+============================================================================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 00:00:00.000 |         301 |        3011 | a   | 2025-03-03 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      |
+======================================================
+ 2025-03-03 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' |
+======================================================================================
+ 2025-03-03 00:00:00.000 | 2025-03-03 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            |
+==========================
+ 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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     |
+============================================================================================================
+ 2025-03-03 00:00:00.000 |         301 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         302 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         303 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         304 |           1 | 2025-03-03 00:00:00.000 |         101 |           1 |
+ 2025-03-03 00:00:00.000 |         401 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         402 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         403 |           2 | 2025-03-03 00:00:00.000 |         201 |           2 |
+ 2025-03-03 00:00:00.000 |         404 |           2 | 2025-03-03 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() ;
+
diff --git a/tests/army/query/test_join_const.py b/tests/army/query/test_join_const.py
new file mode 100644
index 0000000000..ab19980c68
--- /dev/null
+++ b/tests/army/query/test_join_const.py
@@ -0,0 +1,121 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+from frame import etool
+from frame.etool import *
+from frame.log import *
+from frame.cases import *
+from frame.sql import *
+from frame.caseBase import *
+from frame.common import *
+
+class TDTestCase(TBase):
+    updatecfgDict = {
+        "slowLogScope": "none"
+    }
+
+    def insert_data(self):
+        tdLog.printNoPrefix("==========step1:create table")
+
+        tdSql.execute("drop database if exists test")
+        tdSql.execute("create database test keep 36500")
+        tdSql.execute("use test")
+        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]
+        tdSql.query("select today() + 1d;")
+        tomorrow_ts = tdSql.res[0][0].strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+
+        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('{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('{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('{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('{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('{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('{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('{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('{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):
+        self.replace_string(f'{testCase}.in', f'{testCase}.in.today_', '__today__', 'today()')
+        # read sql from .sql file and execute
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today_")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_.csv")
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+
+        self.replace_string(f'{testCase}.in', f'{testCase}.in.today', '__today__', 'today')
+        # read sql from .sql file and execute
+        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today")
+        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today.csv")
+        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+
+#        self.replace_string(f'{testCase}.in', f'{testCase}.in.now_', '__today__', 'now()')
+#        # read sql from .sql file and execute
+#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.now_")
+#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now_.csv")
+#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+#
+#        self.replace_string(f'{testCase}.in', f'{testCase}.in.now', '__today__', 'now')
+#        # read sql from .sql file and execute
+#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.now")
+#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.now.csv")
+#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+#
+#        self.replace_string(f'{testCase}.in', f'{testCase}.in.today_ts', '__today__', f'{today_ts}')
+#        # read sql from .sql file and execute
+#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.today_ts")
+#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.today_ts.csv")
+#        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
+#        self.sqlFile = etool.curFile(__file__, f"joinConst/{testCase}.in.tomorrow_ts")
+#        self.ansFile = etool.curFile(__file__, f"joinConst/{testCase}.tomorrow_ts.csv")
+#        tdCom.compare_testcase_result(self.sqlFile, self.ansFile, testCase)
+
+    def test_abnormal_case(self):
+        tdLog.info("test abnormal case.")
+        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()
+
+        tdLog.success(f"{__file__} successfully executed")
+
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())