diff --git a/source/libs/parser/inc/parUtil.h b/source/libs/parser/inc/parUtil.h
index 896e2bc239..b010e4b9e3 100644
--- a/source/libs/parser/inc/parUtil.h
+++ b/source/libs/parser/inc/parUtil.h
@@ -31,7 +31,8 @@ extern "C" {
 #define parserDebug(param, ...) qDebug("PARSER: " param, ##__VA_ARGS__)
 #define parserTrace(param, ...) qTrace("PARSER: " param, ##__VA_ARGS__)
 
-#define PK_TS_COL_INTERNAL_NAME "_rowts"
+#define ROWTS_PSEUDO_COLUMN_NAME "_rowts"
+#define C0_PSEUDO_COLUMN_NAME    "_c0"
 
 typedef struct SMsgBuf {
   int32_t len;
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index b2006f8fc9..d19c203ffe 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -443,19 +443,23 @@ SNode* createNotBetweenAnd(SAstCreateContext* pCxt, SNode* pExpr, SNode* pLeft,
                                   createOperatorNode(pCxt, OP_TYPE_GREATER_THAN, nodesCloneNode(pExpr), pRight));
 }
 
-static SNode* createPrimaryKeyCol(SAstCreateContext* pCxt) {
+static SNode* createPrimaryKeyCol(SAstCreateContext* pCxt, const SToken* pFuncName) {
   CHECK_PARSER_STATUS(pCxt);
   SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
   CHECK_OUT_OF_MEM(pCol);
   pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(pCol->colName, PK_TS_COL_INTERNAL_NAME);
+  if (NULL == pFuncName) {
+    strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
+  } else {
+    strncpy(pCol->colName, pFuncName->z, pFuncName->n);
+  }
   return (SNode*)pCol;
 }
 
 SNode* createFunctionNode(SAstCreateContext* pCxt, const SToken* pFuncName, SNodeList* pParameterList) {
   CHECK_PARSER_STATUS(pCxt);
   if (0 == strncasecmp("_rowts", pFuncName->z, pFuncName->n) || 0 == strncasecmp("_c0", pFuncName->z, pFuncName->n)) {
-    return createPrimaryKeyCol(pCxt);
+    return createPrimaryKeyCol(pCxt, pFuncName);
   }
   SFunctionNode* func = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
   CHECK_OUT_OF_MEM(func);
@@ -586,7 +590,7 @@ SNode* createStateWindowNode(SAstCreateContext* pCxt, SNode* pExpr) {
   CHECK_PARSER_STATUS(pCxt);
   SStateWindowNode* state = (SStateWindowNode*)nodesMakeNode(QUERY_NODE_STATE_WINDOW);
   CHECK_OUT_OF_MEM(state);
-  state->pCol = createPrimaryKeyCol(pCxt);
+  state->pCol = createPrimaryKeyCol(pCxt, NULL);
   if (NULL == state->pCol) {
     nodesDestroyNode((SNode*)state);
     CHECK_OUT_OF_MEM(state->pCol);
@@ -600,7 +604,7 @@ SNode* createIntervalWindowNode(SAstCreateContext* pCxt, SNode* pInterval, SNode
   CHECK_PARSER_STATUS(pCxt);
   SIntervalWindowNode* interval = (SIntervalWindowNode*)nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
   CHECK_OUT_OF_MEM(interval);
-  interval->pCol = createPrimaryKeyCol(pCxt);
+  interval->pCol = createPrimaryKeyCol(pCxt, NULL);
   if (NULL == interval->pCol) {
     nodesDestroyNode((SNode*)interval);
     CHECK_OUT_OF_MEM(interval->pCol);
@@ -639,7 +643,7 @@ SNode* createGroupingSetNode(SAstCreateContext* pCxt, SNode* pNode) {
 
 SNode* createInterpTimeRange(SAstCreateContext* pCxt, SNode* pStart, SNode* pEnd) {
   CHECK_PARSER_STATUS(pCxt);
-  return createBetweenAnd(pCxt, createPrimaryKeyCol(pCxt), pStart, pEnd);
+  return createBetweenAnd(pCxt, createPrimaryKeyCol(pCxt, NULL), pStart, pEnd);
 }
 
 SNode* setProjectionAlias(SAstCreateContext* pCxt, SNode* pNode, SToken* pAlias) {
@@ -752,7 +756,7 @@ SNode* addFillClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pFill) {
   if (QUERY_NODE_SELECT_STMT == nodeType(pStmt) && NULL != pFill) {
     SFillNode* pFillClause = (SFillNode*)pFill;
     nodesDestroyNode(pFillClause->pWStartTs);
-    pFillClause->pWStartTs = createPrimaryKeyCol(pCxt);
+    pFillClause->pWStartTs = createPrimaryKeyCol(pCxt, NULL);
     ((SSelectStmt*)pStmt)->pFill = (SNode*)pFillClause;
   }
   return pStmt;
@@ -1731,7 +1735,7 @@ SNode* createCountFuncForDelete(SAstCreateContext* pCxt) {
   SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
   CHECK_OUT_OF_MEM(pFunc);
   strcpy(pFunc->functionName, "count");
-  if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createPrimaryKeyCol(pCxt))) {
+  if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createPrimaryKeyCol(pCxt, NULL))) {
     nodesDestroyNode((SNode*)pFunc);
     CHECK_OUT_OF_MEM(NULL);
   }
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index d96cdca8a9..db14a4f1c3 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -612,7 +612,8 @@ static int32_t createColumnsByTable(STranslateContext* pCxt, const STableNode* p
 }
 
 static bool isInternalPrimaryKey(const SColumnNode* pCol) {
-  return PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId && 0 == strcmp(pCol->colName, PK_TS_COL_INTERNAL_NAME);
+  return PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId &&
+         (0 == strcmp(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME) || 0 == strcmp(pCol->colName, C0_PSEUDO_COLUMN_NAME));
 }
 
 static int32_t findAndSetColumn(STranslateContext* pCxt, SColumnNode** pColRef, const STableNode* pTable,
@@ -2566,7 +2567,7 @@ static int32_t createDefaultFillNode(STranslateContext* pCxt, SNode** pOutput) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
   pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(pCol->colName, PK_TS_COL_INTERNAL_NAME);
+  strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
   pFill->pWStartTs = (SNode*)pCol;
 
   *pOutput = (SNode*)pFill;
@@ -2652,7 +2653,7 @@ static int32_t createPrimaryKeyColByTable(STranslateContext* pCxt, STableNode* p
     return TSDB_CODE_OUT_OF_MEMORY;
   }
   pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(pCol->colName, PK_TS_COL_INTERNAL_NAME);
+  strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
   bool    found = false;
   int32_t code = findAndSetColumn(pCxt, &pCol, pTable, &found);
   if (TSDB_CODE_SUCCESS != code || !found) {
@@ -3878,7 +3879,7 @@ static int32_t buildSampleAst(STranslateContext* pCxt, SSampleAstInfo* pInfo, ch
     return TSDB_CODE_OUT_OF_MEMORY;
   }
   ((SColumnNode*)pInterval->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(((SColumnNode*)pInterval->pCol)->colName, PK_TS_COL_INTERNAL_NAME);
+  strcpy(((SColumnNode*)pInterval->pCol)->colName, ROWTS_PSEUDO_COLUMN_NAME);
 
   pCxt->createStream = true;
   int32_t code = translateQuery(pCxt, (SNode*)pSelect);
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index e6f7c4ceb8..719da19da6 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -436,8 +436,8 @@ static int32_t pushDownCondOptDealScan(SOptimizeContext* pCxt, SScanLogicNode* p
 
   SNode*  pPrimaryKeyCond = NULL;
   SNode*  pOtherCond = NULL;
-  int32_t code = filterPartitionCond(&pScan->node.pConditions, &pPrimaryKeyCond, &pScan->pTagIndexCond, &pScan->pTagCond,
-                                    &pOtherCond);
+  int32_t code = filterPartitionCond(&pScan->node.pConditions, &pPrimaryKeyCond, &pScan->pTagIndexCond,
+                                     &pScan->pTagCond, &pOtherCond);
   if (TSDB_CODE_SUCCESS == code && NULL != pScan->pTagCond) {
     code = pushDownCondOptRebuildTbanme(&pScan->pTagCond);
   }
@@ -1711,7 +1711,7 @@ static bool eliminateProjOptCanChildConditionUseChildTargets(SLogicNode* pChild,
     if (!cxt.canUse) return false;
   }
   if (QUERY_NODE_LOGIC_PLAN_JOIN == nodeType(pChild) && NULL != ((SJoinLogicNode*)pChild)->pOnConditions) {
-    SJoinLogicNode* pJoinLogicNode = (SJoinLogicNode*)pChild;
+    SJoinLogicNode*         pJoinLogicNode = (SJoinLogicNode*)pChild;
     CheckNewChildTargetsCxt cxt = {.pNewChildTargets = pNewChildTargets, .canUse = false};
     nodesWalkExpr(pJoinLogicNode->pOnConditions, eliminateProjOptCanUseNewChildTargetsImpl, &cxt);
     if (!cxt.canUse) return false;
@@ -1768,7 +1768,7 @@ static int32_t eliminateProjOptimizeImpl(SOptimizeContext* pCxt, SLogicSubplan*
   if (TSDB_CODE_SUCCESS == code) {
     NODES_CLEAR_LIST(pProjectNode->node.pChildren);
     nodesDestroyNode((SNode*)pProjectNode);
-    //if pChild is a project logic node, remove its projection which is not reference by its target.
+    // if pChild is a project logic node, remove its projection which is not reference by its target.
     alignProjectionWithTarget(pChild);
   }
   pCxt->optimized = true;
@@ -2404,6 +2404,9 @@ static const SOptimizeRule optimizeRuleSet[] = {
 static const int32_t optimizeRuleNum = (sizeof(optimizeRuleSet) / sizeof(SOptimizeRule));
 
 static void dumpLogicSubplan(const char* pRuleName, SLogicSubplan* pSubplan) {
+  if (0 == (qDebugFlag & DEBUG_DEBUG)) {
+    return;
+  }
   char* pStr = NULL;
   nodesNodeToString((SNode*)pSubplan, false, &pStr, NULL);
   if (NULL == pRuleName) {
diff --git a/source/libs/planner/src/planSpliter.c b/source/libs/planner/src/planSpliter.c
index 74c78b970d..e10f0586ca 100644
--- a/source/libs/planner/src/planSpliter.c
+++ b/source/libs/planner/src/planSpliter.c
@@ -264,7 +264,7 @@ static bool stbSplNeedSplitJoin(bool streamQuery, SJoinLogicNode* pJoin) {
 static bool stbSplNeedSplit(bool streamQuery, SLogicNode* pNode) {
   switch (nodeType(pNode)) {
     case QUERY_NODE_LOGIC_PLAN_SCAN:
-      return stbSplIsMultiTbScan(streamQuery, (SScanLogicNode*)pNode);
+      return streamQuery ? false : stbSplIsMultiTbScan(streamQuery, (SScanLogicNode*)pNode);
     case QUERY_NODE_LOGIC_PLAN_JOIN:
       return stbSplNeedSplitJoin(streamQuery, (SJoinLogicNode*)pNode);
     case QUERY_NODE_LOGIC_PLAN_PARTITION:
@@ -1423,6 +1423,9 @@ static const SSplitRule splitRuleSet[] = {
 static const int32_t splitRuleNum = (sizeof(splitRuleSet) / sizeof(SSplitRule));
 
 static void dumpLogicSubplan(const char* pRuleName, SLogicSubplan* pSubplan) {
+  if (0 == (qDebugFlag & DEBUG_DEBUG)) {
+    return;
+  }
   char* pStr = NULL;
   nodesNodeToString((SNode*)pSubplan, false, &pStr, NULL);
   if (NULL == pRuleName) {
diff --git a/source/libs/planner/src/planner.c b/source/libs/planner/src/planner.c
index 0554779746..1f531b0708 100644
--- a/source/libs/planner/src/planner.c
+++ b/source/libs/planner/src/planner.c
@@ -19,6 +19,9 @@
 #include "scalar.h"
 
 static void dumpQueryPlan(SQueryPlan* pPlan) {
+  if (0 == (qDebugFlag & DEBUG_DEBUG)) {
+    return;
+  }
   char* pStr = NULL;
   nodesNodeToString((SNode*)pPlan, false, &pStr, NULL);
   planDebugL("QID:0x%" PRIx64 " Query Plan: %s", pPlan->queryId, pStr);
@@ -42,6 +45,9 @@ int32_t qCreateQueryPlan(SPlanContext* pCxt, SQueryPlan** pPlan, SArray* pExecNo
   if (TSDB_CODE_SUCCESS == code) {
     code = createPhysiPlan(pCxt, pLogicPlan, pPlan, pExecNodeList);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    dumpQueryPlan(*pPlan);
+  }
 
   nodesDestroyNode((SNode*)pLogicSubplan);
   nodesDestroyNode((SNode*)pLogicPlan);
@@ -79,6 +85,7 @@ static int32_t setSubplanExecutionNode(SPhysiNode* pNode, int32_t groupId, SDown
 }
 
 int32_t qSetSubplanExecutionNode(SSubplan* subplan, int32_t groupId, SDownstreamSourceNode* pSource) {
+  planDebug("QID:0x%" PRIx64 " set subplan execution node, groupId:%d", subplan->id.groupId, groupId);
   return setSubplanExecutionNode(subplan->pNode, groupId, pSource);
 }