From c4791d58a65f5dcae375d25ebb1f3c8f76a8df4f Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Mon, 27 Mar 2023 16:09:38 +0800
Subject: [PATCH] fix: create stream does not support event_window

---
 source/libs/parser/src/parCalcConst.c  | 23 +++++++++++++----------
 source/libs/parser/src/parTranslater.c | 12 ++++++++----
 2 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/source/libs/parser/src/parCalcConst.c b/source/libs/parser/src/parCalcConst.c
index 33b8a686ae..a7f6d7cb3c 100644
--- a/source/libs/parser/src/parCalcConst.c
+++ b/source/libs/parser/src/parCalcConst.c
@@ -183,16 +183,18 @@ static int32_t calcConstProject(SNode* pProject, bool dual, SNode** pNew) {
   } else {
     code = scalarCalculateConstants(pProject, pNew);
   }
-  if (TSDB_CODE_SUCCESS == code && QUERY_NODE_VALUE == nodeType(*pNew) && NULL != pAssociation) {
+  if (TSDB_CODE_SUCCESS == code) {
     strcpy(((SExprNode*)*pNew)->aliasName, aliasName);
-    int32_t size = taosArrayGetSize(pAssociation);
-    for (int32_t i = 0; i < size; ++i) {
-      SNode** pCol = taosArrayGetP(pAssociation, i);
-      nodesDestroyNode(*pCol);
-      *pCol = nodesCloneNode(*pNew);
-      if (NULL == *pCol) {
-        code = TSDB_CODE_OUT_OF_MEMORY;
-        break;
+    if (QUERY_NODE_VALUE == nodeType(*pNew) && NULL != pAssociation) {
+      int32_t size = taosArrayGetSize(pAssociation);
+      for (int32_t i = 0; i < size; ++i) {
+        SNode** pCol = taosArrayGetP(pAssociation, i);
+        nodesDestroyNode(*pCol);
+        *pCol = nodesCloneNode(*pNew);
+        if (NULL == *pCol) {
+          code = TSDB_CODE_OUT_OF_MEMORY;
+          break;
+        }
       }
     }
   }
@@ -383,7 +385,8 @@ static int32_t calcConstSetOpProjections(SCalcConstContext* pCxt, SSetOperator*
   int32_t index = 0;
   SNode*  pProj = NULL;
   WHERE_EACH(pProj, pSetOp->pProjectionList) {
-    if (subquery && notRefByOrderBy((SColumnNode*)pProj, pSetOp->pOrderByList) && isSetUselessCol(pSetOp, index, (SExprNode*)pProj)) {
+    if (subquery && notRefByOrderBy((SColumnNode*)pProj, pSetOp->pOrderByList) &&
+        isSetUselessCol(pSetOp, index, (SExprNode*)pProj)) {
       ERASE_NODE(pSetOp->pProjectionList);
       eraseSetOpChildProjection(pSetOp, index);
       continue;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 68c93f8ca9..726790443e 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1342,8 +1342,8 @@ static bool isCountNotNullValue(SFunctionNode* pFunc) {
 // count(1) is rewritten as count(ts) for scannning optimization
 static int32_t rewriteCountNotNullValue(STranslateContext* pCxt, SFunctionNode* pCount) {
   SValueNode* pValue = (SValueNode*)nodesListGetNode(pCount->pParameterList, 0);
-  STableNode*  pTable = NULL;
-  int32_t      code = findTable(pCxt, NULL, &pTable);
+  STableNode* pTable = NULL;
+  int32_t     code = findTable(pCxt, NULL, &pTable);
   if (TSDB_CODE_SUCCESS == code && QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
     SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
     if (NULL == pCol) {
@@ -1424,7 +1424,7 @@ static int32_t translateAggFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
   }
   if (isCountNotNullValue(pFunc)) {
     return rewriteCountNotNullValue(pCxt, pFunc);
-  }  
+  }
   if (isCountTbname(pFunc)) {
     return rewriteCountTbname(pCxt, pFunc);
   }
@@ -5923,11 +5923,15 @@ static int32_t addSubtableInfoToCreateStreamQuery(STranslateContext* pCxt, STabl
   return code;
 }
 
+static bool isEventWindowQuery(SSelectStmt* pSelect) {
+  return NULL != pSelect->pWindow && QUERY_NODE_EVENT_WINDOW == nodeType(pSelect->pWindow);
+}
+
 static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
   SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
   if (TSDB_DATA_TYPE_TIMESTAMP != ((SExprNode*)nodesListGetNode(pSelect->pProjectionList, 0))->resType.type ||
       !pSelect->isTimeLineResult || crossTableWithoutAggOper(pSelect) || NULL != pSelect->pOrderByList ||
-      crossTableWithUdaf(pSelect)) {
+      crossTableWithUdaf(pSelect) || isEventWindowQuery(pSelect)) {
     return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
   }
   if (NULL != pSelect->pSubtable && TSDB_DATA_TYPE_VARCHAR != ((SExprNode*)pSelect->pSubtable)->resType.type) {