[TD-11208]fix core dump if create qinfo failed

src/client/src/tscServer.c

@@ -1957,8 +1957,6 @@ int tscProcessRetrieveGlobalMergeRsp(SSqlObj *pSql) {
     tscDebug("0x%"PRIx64" create QInfo 0x%"PRIx64" to execute query processing", pSql->self, pSql->self);
     pQueryInfo->pQInfo = createQInfoFromQueryNode(pQueryInfo, &tableGroupInfo, NULL, NULL, pRes->pMerger, MERGE_STAGE, pSql->self);
     if (pQueryInfo->pQInfo == NULL) {
-      taosHashCleanup(tableGroupInfo.map);
-      taosArrayDestroy(&group);
       tscAsyncResultOnError(pSql);
       pRes->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
       return pRes->code;

src/client/src/tscSubquery.c

@@ -3805,6 +3805,7 @@ void* createQInfoFromQueryNode(SQueryInfo* pQueryInfo, STableGroupInfo* pTableGr
   assert(pQueryInfo != NULL);
   SQInfo *pQInfo = (SQInfo *)calloc(1, sizeof(SQInfo));
   if (pQInfo == NULL) {
+    tsdbDestroyTableGroup(pTableGroupInfo);
     goto _cleanup;
   }
 
@@ -3913,6 +3914,7 @@ void* createQInfoFromQueryNode(SQueryInfo* pQueryInfo, STableGroupInfo* pTableGr
   int32_t code = initQInfo(&bufInfo, NULL, pSourceOperator, pQInfo, &param, NULL, 0, merger);
   taosArrayDestroy(&pa);
   if (code != TSDB_CODE_SUCCESS) {
+    pQInfo = NULL;
     goto _cleanup;
   }
 

src/query/src/qExecutor.c

@@ -360,7 +360,7 @@ SSDataBlock* createOutputBuf(SExprInfo* pExpr, int32_t numOfOutput, int32_t numO
     tmp *= numOfRows;
     if (tmp >= 1024*1024*1024) {   // 1G
       qError("size is too large, failed to allocate column buffer for output buffer");
-      goto _clean;
+      tmp = 128*1024*1024;
     }
     int32_t size = MAX(tmp, minSize);
     idata.pData = calloc(1, size);  // at least to hold a pointer on x64 platform

src/tsdb/src/tsdbRead.c

@@ -4286,6 +4286,7 @@ void tsdbDestroyTableGroup(STableGroupInfo *pGroupList) {
   }
 
   taosHashCleanup(pGroupList->map);
+  pGroupList->map = NULL;
   taosArrayDestroy(&pGroupList->pGroupList);
   pGroupList->numOfTables = 0;
 }
@@ -4660,4 +4661,4 @@ void tsdbAddScanCallback(TsdbQueryHandleT* queryHandle, readover_callback callba
   pQueryHandle->readover_cb = callback;
   pQueryHandle->param       = param;
   return ;
-}
+}
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