diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index aeac129bd93c9ac634929173137121a3d069f3c9..249d0bc4c73a610b2915c5fd81f6787875d44b5c 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -364,7 +364,7 @@ bool subAndCheckDone(SSqlObj *pSql, SSqlObj *pParentSql, int idx);
 
 bool tscSetSqlOwner(SSqlObj* pSql);
 void tscClearSqlOwner(SSqlObj* pSql);
-int32_t doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize);
+int32_t doScalarExprCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize);
 
 char*   serializeTagData(STagData* pTagData, char* pMsg);
 int32_t copyTagData(STagData* dst, const STagData* src);
diff --git a/src/client/src/tscGlobalmerge.c b/src/client/src/tscGlobalmerge.c
index 68677423d429d494de6595e47e05c396560c2e54..9f3e21f6b8ddb75db1e5a4381f8305dd014009a4 100644
--- a/src/client/src/tscGlobalmerge.c
+++ b/src/client/src/tscGlobalmerge.c
@@ -605,10 +605,9 @@ static void doMergeResultImpl(SMultiwayMergeInfo* pInfo, SQLFunctionCtx *pCtx, i
     if (functionId < 0) {
       SUdfInfo* pUdfInfo = taosArrayGet(pInfo->udfInfo, -1 * functionId - 1);
       doInvokeUdf(pUdfInfo, &pCtx[j], 0, TSDB_UDF_FUNC_MERGE);
-    } else if (!TSDB_FUNC_IS_SCALAR(functionId)){
-      aAggs[functionId].mergeFunc(&pCtx[j]);
     } else {
-      assert(0);
+      assert(!TSDB_FUNC_IS_SCALAR(functionId));
+      aAggs[functionId].mergeFunc(&pCtx[j]);
     }
   }
 }
@@ -623,10 +622,9 @@ static void doFinalizeResultImpl(SMultiwayMergeInfo* pInfo, SQLFunctionCtx *pCtx
     if (functionId < 0) {
       SUdfInfo* pUdfInfo = taosArrayGet(pInfo->udfInfo, -1 * functionId - 1);
       doInvokeUdf(pUdfInfo, &pCtx[j], 0, TSDB_UDF_FUNC_FINALIZE);
-    } else if (!TSDB_FUNC_IS_SCALAR(functionId)){
-      aAggs[functionId].xFinalize(&pCtx[j]);
     } else {
-      assert(0);
+      assert(!TSDB_FUNC_IS_SCALAR(functionId));
+      aAggs[functionId].xFinalize(&pCtx[j]);
     }
   }
 }
@@ -665,9 +663,8 @@ static void doExecuteFinalMerge(SOperatorInfo* pOperator, int32_t numOfExpr, SSD
           if (pCtx[j].functionId < 0) {
             continue;
           }
-          if (TSDB_FUNC_IS_SCALAR(pCtx[j].functionId)) {
-            assert(0);
-          } else {
+          {
+            assert(!TSDB_FUNC_IS_SCALAR(pCtx[j].functionId));
             aAggs[pCtx[j].functionId].init(&pCtx[j], pCtx[j].resultInfo);
           }
         }
@@ -711,7 +708,7 @@ SGlobalMerger* tscInitResObjForLocalQuery(int32_t numOfRes, int32_t rowLen, uint
 }
 
 // todo remove it
-int32_t doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize) {
+int32_t doScalarExprCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize) {
   int32_t maxRowSize = MAX(rowSize, finalRowSize);
   char* pbuf = calloc(1, (size_t)(pOutput->num * maxRowSize));
 
@@ -912,10 +909,9 @@ SSDataBlock* doGlobalAggregate(void* param, bool* newgroup) {
             clearOutputBuf(&pAggInfo->binfo, &pAggInfo->bufCapacity);
             continue;
           }
-          if (!TSDB_FUNC_IS_SCALAR(pCtx->functionId)) {
+          {
+            assert(!TSDB_IS_FUNC_SCALAR(pCtx->functionId));
             aAggs[pCtx->functionId].init(pCtx, pCtx->resultInfo);
-          } else {
-            assert(0);
           }
         }
       }
diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index d2c8c10ec0b2c9a5e719e667a8cd4f48ae6424bf..cf6bb4640758e0d7f4fe6e5d83e76073faeacc60 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -3600,7 +3600,7 @@ static void doBuildResFromSubqueries(SSqlObj* pSql) {
     finalRowSize += pField->bytes;
   }
 
-  doArithmeticCalculate(pQueryInfo, pFilePage, rowSize, finalRowSize);
+  doScalarExprCalculate(pQueryInfo, pFilePage, rowSize, finalRowSize);
 
   pRes->data = pFilePage->data;
   tscSetResRawPtr(pRes, pQueryInfo, pRes->dataConverted);