refactor: do some internal refactor.

source/libs/executor/inc/executorimpl.h

@@ -354,7 +354,6 @@ typedef struct STableMergeScanInfo {
   SLimitInfo             limitInfo;
   int64_t                numOfRows;
   SScanInfo              scanInfo;
-  int32_t                scanTimes;
   SSDataBlock*           pResBlock;
   SSampleExecInfo        sample;  // sample execution info
   SSortExecInfo          sortExecInfo;

source/libs/executor/src/executorimpl.c

@@ -99,6 +99,8 @@ static void    extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const SC
                                                    int32_t status);
 static int32_t doSetInputDataBlock(SExprSupp* pExprSup, SSDataBlock* pBlock, int32_t order, int32_t scanFlag,
                                    bool createDummyCol);
+static int32_t doCopyToSDataBlock(SExecTaskInfo* pTaskInfo, SSDataBlock* pBlock, SExprSupp* pSup, SDiskbasedBuf* pBuf,
+                                  SGroupResInfo* pGroupResInfo);
 
 void setOperatorCompleted(SOperatorInfo* pOperator) {
   pOperator->status = OP_EXEC_DONE;
@@ -139,9 +141,6 @@ SOperatorFpSet createOperatorFpSet(__optr_open_fn_t openFn, __optr_fn_t nextFn,
   return fpSet;
 }
 
-static int32_t doCopyToSDataBlock(SExecTaskInfo* pTaskInfo, SSDataBlock* pBlock, SExprSupp* pSup, SDiskbasedBuf* pBuf,
-                                  SGroupResInfo* pGroupResInfo);
-
 SResultRow* getNewResultRow(SDiskbasedBuf* pResultBuf, int32_t* currentPageId, int32_t interBufSize) {
   SFilePage* pData = NULL;
 
@@ -245,7 +244,7 @@ SResultRow* doSetResultOutBufByKey(SDiskbasedBuf* pResultBuf, SResultRowInfo* pR
 }
 
 // a new buffer page for each table. Needs to opt this design
-static int32_t addNewWindowResultBuf(SResultRow* pWindowRes, SDiskbasedBuf* pResultBuf, int32_t tid, uint32_t size) {
+static int32_t addNewWindowResultBuf(SResultRow* pWindowRes, SDiskbasedBuf* pResultBuf, uint32_t size) {
   if (pWindowRes->pageId != -1) {
     return 0;
   }
@@ -916,8 +915,7 @@ void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, int32_t numOfOutput, uin
    * all group belong to one result set, and each group result has different group id so set the id to be one
    */
   if (pResultRow->pageId == -1) {
-    int32_t ret =
-        addNewWindowResultBuf(pResultRow, pAggInfo->aggSup.pResultBuf, groupId, pAggInfo->binfo.pRes->info.rowSize);
+    int32_t ret = addNewWindowResultBuf(pResultRow, pAggInfo->aggSup.pResultBuf, pAggInfo->binfo.pRes->info.rowSize);
     if (ret != TSDB_CODE_SUCCESS) {
       return;
     }