diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index d3ced810c6..6de77f63f4 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -3416,6 +3416,7 @@ int32_t doInitAggInfoSup(SAggSupporter* pAggSup, SqlFunctionCtx* pCtx, int32_t n
   }
   int32_t code = createDiskbasedBuf(&pAggSup->pResultBuf, defaultPgsz, defaultBufsz, pKey, tsTempDir);
   if (code != TSDB_CODE_SUCCESS) {
+    qError("Create agg result buf failed since %s", tstrerror(code));
     return code;
   }
 
@@ -3435,7 +3436,11 @@ int32_t initAggInfo(SExprSupp* pSup, SAggSupporter* pAggSup, SExprInfo* pExprInf
     return code;
   }
 
-  doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey);
+  code = doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey);
+  if (code != TSDB_CODE_SUCCESS) {
+    return code;
+  }
+
   for (int32_t i = 0; i < numOfCols; ++i) {
     pSup->pCtx[i].pBuf = pAggSup->pResultBuf;
   }
diff --git a/source/libs/executor/src/joinoperator.c b/source/libs/executor/src/joinoperator.c
index 2f9eff50b6..7d2b84d0f0 100644
--- a/source/libs/executor/src/joinoperator.c
+++ b/source/libs/executor/src/joinoperator.c
@@ -132,6 +132,8 @@ void destroyMergeJoinOperator(void* param, int32_t numOfOutput) {
   SJoinOperatorInfo* pJoinOperator = (SJoinOperatorInfo*)param;
   nodesDestroyNode(pJoinOperator->pCondAfterMerge);
 
+  pJoinOperator->pRes = blockDataDestroy(pJoinOperator->pRes);
+
   taosMemoryFreeClear(param);
 }
 
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 01a99fabee..2f6d04f684 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -2535,6 +2535,8 @@ static void destroyTagScanOperatorInfo(void* param, int32_t numOfOutput) {
   STagScanInfo* pInfo = (STagScanInfo*)param;
   pInfo->pRes = blockDataDestroy(pInfo->pRes);
 
+  taosArrayDestroy(pInfo->pColMatchInfo);
+  
   taosMemoryFreeClear(param);
 }
 
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 3e6e534328..0fd543953d 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -4276,9 +4276,9 @@ static int32_t histogramFunctionImpl(SqlFunctionCtx* pCtx, bool isPartial) {
   }
 
   if (!isPartial) {
-    SET_VAL(GET_RES_INFO(pCtx), numOfElems, pInfo->numOfBins);
+    GET_RES_INFO(pCtx)->numOfRes = pInfo->numOfBins;
   } else {
-    SET_VAL(GET_RES_INFO(pCtx), numOfElems, 1);
+    GET_RES_INFO(pCtx)->numOfRes = 1;
   }
   return TSDB_CODE_SUCCESS;
 }