fix(query): fix memory leak.

source/libs/executor/src/scanoperator.c

@@ -2295,6 +2295,9 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
   int32_t numOfCols = 0;
   int32_t code =
       extractColMatchInfo(pScanPhyNode->pScanCols, pDescNode, &numOfCols, COL_MATCH_FROM_COL_ID, &pInfo->matchInfo);
+  if (code != TSDB_CODE_SUCCESS) {
+    goto _error;
+  }
 
   int32_t numOfOutput = taosArrayGetSize(pInfo->matchInfo.pList);
   SArray* pColIds = taosArrayInit(numOfOutput, sizeof(int16_t));
@@ -2356,6 +2359,7 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
       pTSInfo->dataReader = NULL;
       if (tsdbReaderOpen(pHandle->vnode, &pTSInfo->cond, pList, num, &pTSInfo->dataReader, NULL) < 0) {
         terrno = TSDB_CODE_OUT_OF_MEMORY;
+        destroyTableScanOperatorInfo(pTableScanOp);
         goto _error;
       }
     }