From f37ae57a87963a5d214f471cd312710ed6d29e9d Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Tue, 26 Nov 2024 15:23:57 +0800
Subject: [PATCH 01/10] opt stream row buff

---
 source/libs/executor/inc/executorInt.h        |  2 +
 source/libs/executor/inc/streamexecutorInt.h  |  5 +-
 source/libs/executor/src/streamfilloperator.c | 22 ++++-
 .../src/streamintervalsliceoperator.c         | 14 ++--
 .../executor/src/streamtimesliceoperator.c    | 81 ++++++++++++-------
 source/libs/parser/src/parTranslater.c        |  8 +-
 6 files changed, 88 insertions(+), 44 deletions(-)

diff --git a/source/libs/executor/inc/executorInt.h b/source/libs/executor/inc/executorInt.h
index 271e9c91a1..89ab8ead21 100644
--- a/source/libs/executor/inc/executorInt.h
+++ b/source/libs/executor/inc/executorInt.h
@@ -475,6 +475,7 @@ typedef struct SStreamFillSupporter {
   STimeWindow    winRange;
   int32_t        pkColBytes;
   __compar_fn_t  comparePkColFn;
+  int32_t*       pOffsetInfo;
 } SStreamFillSupporter;
 
 typedef struct SStreamScanInfo {
@@ -884,6 +885,7 @@ typedef struct SStreamIntervalSliceOperatorInfo {
   struct SOperatorInfo* pOperator;
   bool                  hasFill;
   bool                  hasInterpoFunc;
+  int32_t*              pOffsetInfo;
 } SStreamIntervalSliceOperatorInfo;
 
 #define OPTR_IS_OPENED(_optr)  (((_optr)->status & OP_OPENED) == OP_OPENED)
diff --git a/source/libs/executor/inc/streamexecutorInt.h b/source/libs/executor/inc/streamexecutorInt.h
index 27686b0081..4bd931c567 100644
--- a/source/libs/executor/inc/streamexecutorInt.h
+++ b/source/libs/executor/inc/streamexecutorInt.h
@@ -90,19 +90,20 @@ int32_t saveTimeSliceWinResult(SWinKey* pKey, SSHashObj* pUpdatedMap);
 int winPosCmprImpl(const void* pKey1, const void* pKey2);
 
 void             reuseOutputBuf(void* pState, SRowBuffPos* pPos, SStateStore* pAPI);
-SResultCellData* getSliceResultCell(SResultCellData* pRowVal, int32_t index);
+SResultCellData* getSliceResultCell(SResultCellData* pRowVal, int32_t index, int32_t* pCellOffsetInfo);
 int32_t          getDownstreamRes(struct SOperatorInfo* downstream, SSDataBlock** ppRes, SColumnInfo** ppPkCol);
 void             destroyFlusedppPos(void* ppRes);
 void             doBuildStreamIntervalResult(struct SOperatorInfo* pOperator, void* pState, SSDataBlock* pBlock,
                                              SGroupResInfo* pGroupResInfo);
 void             transBlockToSliceResultRow(const SSDataBlock* pBlock, int32_t rowId, TSKEY ts, SSliceRowData* pRowVal,
-                                            int32_t rowSize, void* pPkData, SColumnInfoData* pPkCol);
+                                            int32_t rowSize, void* pPkData, SColumnInfoData* pPkCol, int32_t* pCellOffsetInfo);
 int32_t getQualifiedRowNumDesc(SExprSupp* pExprSup, SSDataBlock* pBlock, TSKEY* tsCols, int32_t rowId, bool ignoreNull);
 
 int32_t createStreamIntervalSliceOperatorInfo(struct SOperatorInfo* downstream, SPhysiNode* pPhyNode,
                                               SExecTaskInfo* pTaskInfo, SReadHandle* pHandle,
                                               struct SOperatorInfo** ppOptInfo);
 int32_t buildAllResultKey(SStreamAggSupporter* pAggSup, TSKEY ts, SArray* pUpdated);
+int32_t initOffsetInfo(int32_t** ppOffset, SSDataBlock* pRes);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/executor/src/streamfilloperator.c b/source/libs/executor/src/streamfilloperator.c
index ccf1f7c9e5..d00f95e5a9 100644
--- a/source/libs/executor/src/streamfilloperator.c
+++ b/source/libs/executor/src/streamfilloperator.c
@@ -100,6 +100,8 @@ void destroyStreamFillSupporter(SStreamFillSupporter* pFillSup) {
   taosMemoryFree(pFillSup->next.pRowVal);
   taosMemoryFree(pFillSup->nextNext.pRowVal);
 
+  taosMemoryFree(pFillSup->pOffsetInfo);
+
   taosMemoryFree(pFillSup);
 }
 
@@ -1573,10 +1575,7 @@ SStreamFillInfo* initStreamFillInfo(SStreamFillSupporter* pFillSup, SSDataBlock*
 
     pFillInfo->pResRow->key = INT64_MIN;
     pFillInfo->pResRow->pRowVal = taosMemoryCalloc(1, pFillSup->rowSize);
-    if (!pFillInfo->pResRow->pRowVal) {
-      code = terrno;
-      QUERY_CHECK_CODE(code, lino, _end);
-    }
+    QUERY_CHECK_NULL(pFillInfo->pResRow->pRowVal, code, lino, _end, terrno);
 
     for (int32_t i = 0; i < pFillSup->numOfAllCols; ++i) {
       SColumnInfoData* pColData = taosArrayGet(pRes->pDataBlock, i);
@@ -1590,6 +1589,21 @@ SStreamFillInfo* initStreamFillInfo(SStreamFillSupporter* pFillSup, SSDataBlock*
       pCell->type = pColData->info.type;
     }
 
+    int32_t numOfResCol = taosArrayGetSize(pRes->pDataBlock);
+    if (numOfResCol < pFillSup->numOfAllCols) {
+      int32_t* pTmpBuf = (int32_t*)taosMemoryRealloc(pFillSup->pOffsetInfo, pFillSup->numOfAllCols * sizeof(int32_t));
+      QUERY_CHECK_NULL(pTmpBuf, code, lino, _end, terrno);
+      pFillSup->pOffsetInfo = pTmpBuf;
+
+      SResultCellData* pCell = getResultCell(pFillInfo->pResRow, numOfResCol - 1);
+      int32_t preLength = pFillSup->pOffsetInfo[numOfResCol - 1] + pCell->bytes + sizeof(SResultCellData);
+      for (int32_t i = numOfResCol; i < pFillSup->numOfAllCols; i++) {
+        pFillSup->pOffsetInfo[i] = preLength;
+        pCell = getResultCell(pFillInfo->pResRow, i);
+        preLength += pCell->bytes + sizeof(SResultCellData);
+      }
+    }
+
     pFillInfo->pNonFillRow = taosMemoryCalloc(1, sizeof(SResultRowData));
     QUERY_CHECK_NULL(pFillInfo->pNonFillRow, code, lino, _end, terrno);
     pFillInfo->pNonFillRow->key = INT64_MIN;
diff --git a/source/libs/executor/src/streamintervalsliceoperator.c b/source/libs/executor/src/streamintervalsliceoperator.c
index bc35b58a99..f26cbce119 100644
--- a/source/libs/executor/src/streamintervalsliceoperator.c
+++ b/source/libs/executor/src/streamintervalsliceoperator.c
@@ -74,6 +74,7 @@ void destroyStreamIntervalSliceOperatorInfo(void* param) {
   blockDataDestroy(pInfo->pDelRes);
 
   blockDataDestroy(pInfo->pCheckpointRes);
+  taosMemoryFreeClear(pInfo->pOffsetInfo);
 
   taosMemoryFreeClear(param);
 }
@@ -163,7 +164,7 @@ _end:
 }
 
 void doStreamSliceInterpolation(SSliceRowData* pPrevWinVal, TSKEY winKey, TSKEY curTs, SSDataBlock* pDataBlock,
-                                int32_t curRowIndex, SExprSupp* pSup, SIntervalSliceType type) {
+                                int32_t curRowIndex, SExprSupp* pSup, SIntervalSliceType type, int32_t* pOffsetInfo) {
   SqlFunctionCtx* pCtx = pSup->pCtx;
   for (int32_t k = 0; k < pSup->numOfExprs; ++k) {
     if (!fmIsIntervalInterpoFunc(pCtx[k].functionId)) {
@@ -175,7 +176,7 @@ void doStreamSliceInterpolation(SSliceRowData* pPrevWinVal, TSKEY winKey, TSKEY
     SColumnInfoData* pColInfo = taosArrayGet(pDataBlock->pDataBlock, pParam->pCol->slotId);
 
     double           prevVal = 0, curVal = 0, winVal = 0;
-    SResultCellData* pCell = getSliceResultCell((SResultCellData*)pPrevWinVal->pRowVal, pParam->pCol->slotId);
+    SResultCellData* pCell = getSliceResultCell((SResultCellData*)pPrevWinVal->pRowVal, pParam->pCol->slotId, pOffsetInfo);
     GET_TYPED_DATA(prevVal, double, pCell->type, pCell->pData);
     GET_TYPED_DATA(curVal, double, pColInfo->info.type, colDataGetData(pColInfo, curRowIndex));
 
@@ -278,7 +279,7 @@ static int32_t doStreamIntervalSliceAggImpl(SOperatorInfo* pOperator, SSDataBloc
 
       resetIntervalSliceFunctionKey(pSup->pCtx, numOfOutput);
       doSetElapsedEndKey(prevPoint.winKey.win.ekey, &pOperator->exprSupp);
-      doStreamSliceInterpolation(prevPoint.pLastRow, prevPoint.winKey.win.ekey, curTs, pBlock, startPos, &pOperator->exprSupp, INTERVAL_SLICE_END);
+      doStreamSliceInterpolation(prevPoint.pLastRow, prevPoint.winKey.win.ekey, curTs, pBlock, startPos, &pOperator->exprSupp, INTERVAL_SLICE_END, pInfo->pOffsetInfo);
       updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &prevPoint.winKey.win, 1);
       code = applyAggFunctionOnPartialTuples(pTaskInfo, pSup->pCtx, &pInfo->twAggSup.timeWindowData, startPos,
                                              0, pBlock->info.rows, numOfOutput);
@@ -294,7 +295,7 @@ static int32_t doStreamIntervalSliceAggImpl(SOperatorInfo* pOperator, SSDataBloc
 
     resetIntervalSliceFunctionKey(pSup->pCtx, numOfOutput);
     if (pInfo->hasInterpoFunc && IS_VALID_WIN_KEY(prevPoint.winKey.win.skey) && curPoint.winKey.win.skey != curTs) {
-      doStreamSliceInterpolation(prevPoint.pLastRow, curPoint.winKey.win.skey, curTs, pBlock, startPos, &pOperator->exprSupp, INTERVAL_SLICE_START);
+      doStreamSliceInterpolation(prevPoint.pLastRow, curPoint.winKey.win.skey, curTs, pBlock, startPos, &pOperator->exprSupp, INTERVAL_SLICE_START, pInfo->pOffsetInfo);
     }
     forwardRows = getNumOfRowsInTimeWindow(&pBlock->info, tsCols, startPos, curWin.ekey, binarySearchForKey, NULL,
                                            TSDB_ORDER_ASC);
@@ -302,7 +303,7 @@ static int32_t doStreamIntervalSliceAggImpl(SOperatorInfo* pOperator, SSDataBloc
     if (pInfo->hasInterpoFunc && winCode != TSDB_CODE_SUCCESS) {
       int32_t endRowId = getQualifiedRowNumDesc(pSup, pBlock, tsCols, prevEndPos, false);
       TSKEY endRowTs = tsCols[endRowId];
-      transBlockToSliceResultRow(pBlock, endRowId, endRowTs, curPoint.pLastRow, 0, NULL, NULL);
+      transBlockToSliceResultRow(pBlock, endRowId, endRowTs, curPoint.pLastRow, 0, NULL, NULL, pInfo->pOffsetInfo);
     }
     SWinKey curKey = {.ts = curPoint.winKey.win.skey, .groupId = curPoint.winKey.groupId};
     if (pInfo->destHasPrimaryKey && winCode == TSDB_CODE_SUCCESS) {
@@ -596,6 +597,9 @@ int32_t createStreamIntervalSliceOperatorInfo(SOperatorInfo* downstream, SPhysiN
   code = getDownstreamRes(downstream, &pDownRes, &pPkCol);
   QUERY_CHECK_CODE(code, lino, _error);
 
+  code = initOffsetInfo(&pInfo->pOffsetInfo, pDownRes);
+  QUERY_CHECK_CODE(code, lino, _error);
+
   int32_t keyBytes = sizeof(TSKEY);
   keyBytes += blockDataGetRowSize(pDownRes) + sizeof(SResultCellData) * taosArrayGetSize(pDownRes->pDataBlock) + sizeof(bool);
   if (pPkCol) {
diff --git a/source/libs/executor/src/streamtimesliceoperator.c b/source/libs/executor/src/streamtimesliceoperator.c
index efc5dd6d6a..29c91a0763 100644
--- a/source/libs/executor/src/streamtimesliceoperator.c
+++ b/source/libs/executor/src/streamtimesliceoperator.c
@@ -281,8 +281,34 @@ static int32_t initTimeSliceResultBuf(SStreamFillSupporter* pFillSup, SExprSupp*
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t initTimeSliceFillSup(SStreamInterpFuncPhysiNode* pPhyFillNode, SExprSupp* pExprSup, int32_t numOfExprs, SColumnInfo* pPkCol,
-                                    SStreamFillSupporter** ppResFillSup) {
+int32_t initOffsetInfo(int32_t** ppOffset, SSDataBlock* pRes) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+  int32_t numOfCol = taosArrayGetSize(pRes->pDataBlock);
+  int32_t preLength = 0;
+  int32_t* pOffsetInfo = taosMemoryCalloc(numOfCol, sizeof(int32_t));
+  QUERY_CHECK_NULL(pOffsetInfo, code, lino, _end, lino);
+
+  for (int32_t i = 0; i < numOfCol; i++) {
+    SColumnInfoData* pColInfo = taosArrayGet(pRes->pDataBlock, i);
+    pOffsetInfo[i] =  preLength;
+    int32_t bytes = 1;
+    if (pColInfo != NULL) {
+      bytes = pColInfo->info.bytes;
+    }
+    preLength += bytes + sizeof(SResultCellData);
+  }
+
+  (*ppOffset) = pOffsetInfo;
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  return code;
+}
+static int32_t initTimeSliceFillSup(SStreamInterpFuncPhysiNode* pPhyFillNode, SExprSupp* pExprSup, int32_t numOfExprs,
+                                    SSDataBlock* pInputRes, SColumnInfo* pPkCol, SStreamFillSupporter** ppResFillSup) {
   int32_t               code = TSDB_CODE_SUCCESS;
   int32_t               lino = 0;
   SStreamFillSupporter* pFillSup = taosMemoryCalloc(1, sizeof(SStreamFillSupporter));
@@ -320,6 +346,9 @@ static int32_t initTimeSliceFillSup(SStreamInterpFuncPhysiNode* pPhyFillNode, SE
     pFillSup->comparePkColFn = NULL;
   }
 
+  code = initOffsetInfo(&pFillSup->pOffsetInfo, pInputRes);
+  QUERY_CHECK_CODE(code, lino, _end);
+
   (*ppResFillSup) = pFillSup;
 
 _end:
@@ -359,17 +388,11 @@ _end:
   }
 }
 
-SResultCellData* getSliceResultCell(SResultCellData* pRowVal, int32_t index) {
+SResultCellData* getSliceResultCell(SResultCellData* pRowVal, int32_t index, int32_t* pCellOffsetInfo) {
   if (!pRowVal) {
     return NULL;
   }
-  char*            pData = (char*)pRowVal;
-  SResultCellData* pCell = pRowVal;
-  for (int32_t i = 0; i < index; i++) {
-    pData += (pCell->bytes + sizeof(SResultCellData));
-    pCell = (SResultCellData*)pData;
-  }
-  return pCell;
+  return POINTER_SHIFT(pRowVal, pCellOffsetInfo[index]);
 }
 
 static bool isGroupKeyFunc(SExprInfo* pExprInfo) {
@@ -414,9 +437,9 @@ static int32_t fillPointResult(SStreamFillSupporter* pFillSup, SResultRowData* p
       int32_t          srcSlot = pFillCol->pExpr->base.pParam[0].pCol->slotId;
       SResultCellData* pCell =  NULL;
       if (IS_FILL_CONST_VALUE(pFillSup->type) && (isGroupKeyFunc(pFillCol->pExpr) || isSelectGroupConstValueFunc(pFillCol->pExpr)) ) {
-        pCell = getSliceResultCell(pNonFillRow->pRowVal, srcSlot);
+        pCell = getSliceResultCell(pNonFillRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
       } else {
-        pCell = getSliceResultCell(pResRow->pRowVal, srcSlot);
+        pCell = getSliceResultCell(pResRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
       }
       code = setRowCell(pDstCol, pBlock->info.rows, pCell);
       QUERY_CHECK_CODE(code, lino, _end);
@@ -475,7 +498,7 @@ static void fillLinearRange(SStreamFillSupporter* pFillSup, SStreamFillInfo* pFi
         QUERY_CHECK_CODE(code, lino, _end);
       } else if (isInterpFunc(pFillCol->pExpr)) {
         int32_t          srcSlot = pFillCol->pExpr->base.pParam[0].pCol->slotId;
-        SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, srcSlot);
+        SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
         if (IS_VAR_DATA_TYPE(type) || type == TSDB_DATA_TYPE_BOOL || pCell->isNull) {
           colDataSetNULL(pDstCol, index);
           continue;
@@ -498,7 +521,7 @@ static void fillLinearRange(SStreamFillSupporter* pFillSup, SStreamFillInfo* pFi
         destroySPoint(&cur);
       } else {
         int32_t          srcSlot = pFillCol->pExpr->base.pParam[0].pCol->slotId;
-        SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, srcSlot);
+        SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
         code = setRowCell(pDstCol, pBlock->info.rows, pCell);
         QUERY_CHECK_CODE(code, lino, _end);
       }
@@ -952,8 +975,8 @@ static void copyNonFillValueInfo(SStreamFillSupporter* pFillSup, SStreamFillInfo
     if (!isInterpFunc(pFillCol->pExpr) && !isIrowtsPseudoColumn(pFillCol->pExpr) &&
         !isIsfilledPseudoColumn(pFillCol->pExpr)) {
       int32_t          srcSlot = pFillCol->pExpr->base.pParam[0].pCol->slotId;
-      SResultCellData* pSrcCell = getResultCell(&pFillSup->cur, srcSlot);
-      SResultCellData* pDestCell = getResultCell(pFillInfo->pNonFillRow, srcSlot);
+      SResultCellData* pSrcCell = getSliceResultCell(pFillSup->cur.pRowVal, srcSlot, pFillSup->pOffsetInfo);
+      SResultCellData* pDestCell = getSliceResultCell(pFillInfo->pNonFillRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
       pDestCell->isNull = pSrcCell->isNull;
       if (!pDestCell->isNull) {
         memcpy(pDestCell->pData, pSrcCell->pData, pSrcCell->bytes);
@@ -962,11 +985,11 @@ static void copyNonFillValueInfo(SStreamFillSupporter* pFillSup, SStreamFillInfo
   }
 }
 
-static void copyCalcRowDeltaData(SResultRowData* pEndRow, SArray* pEndPoins, SFillColInfo* pFillCol, int32_t numOfCol) {
+static void copyCalcRowDeltaData(SResultRowData* pEndRow, SArray* pEndPoins, SFillColInfo* pFillCol, int32_t numOfCol, int32_t* pOffsetInfo) {
   for (int32_t i = 0; i < numOfCol; i++) {
     if (isInterpFunc(pFillCol[i].pExpr)) {
       int32_t          slotId = pFillCol[i].pExpr->base.pParam[0].pCol->slotId;
-      SResultCellData* pECell = getResultCell(pEndRow, slotId);
+      SResultCellData* pECell = getSliceResultCell(pEndRow->pRowVal, slotId, pOffsetInfo);
       SPoint*          pPoint = taosArrayGet(pEndPoins, slotId);
       pPoint->key = pEndRow->key;
       memcpy(pPoint->val, pECell->pData, pECell->bytes);
@@ -1108,7 +1131,7 @@ static void setTimeSliceFillRule(SStreamFillSupporter* pFillSup, SStreamFillInfo
         SET_WIN_KEY_INVALID(pFillInfo->pLinearInfo->nextEnd);
         pFillSup->next.key = pFillSup->nextOriginKey;
         copyCalcRowDeltaData(&pFillSup->next, pFillInfo->pLinearInfo->pEndPoints, pFillSup->pAllColInfo,
-                         pFillSup->numOfAllCols);
+                         pFillSup->numOfAllCols, pFillSup->pOffsetInfo);
         pFillSup->prev.key = pFillSup->prevOriginKey;
         pFillInfo->pResRow = &pFillSup->prev;
         pFillInfo->pLinearInfo->hasNext = false;
@@ -1117,7 +1140,7 @@ static void setTimeSliceFillRule(SStreamFillSupporter* pFillSup, SStreamFillInfo
         pFillInfo->pos = FILL_POS_END;
         SET_WIN_KEY_INVALID(pFillInfo->pLinearInfo->nextEnd);
         copyCalcRowDeltaData(&pFillSup->cur, pFillInfo->pLinearInfo->pEndPoints, pFillSup->pAllColInfo,
-                         pFillSup->numOfAllCols);
+                         pFillSup->numOfAllCols, pFillSup->pOffsetInfo);
         pFillSup->prev.key = pFillSup->prevOriginKey;
         pFillInfo->pResRow = &pFillSup->prev;
         pFillInfo->pLinearInfo->hasNext = false;
@@ -1128,7 +1151,7 @@ static void setTimeSliceFillRule(SStreamFillSupporter* pFillSup, SStreamFillInfo
         SET_WIN_KEY_INVALID(pFillInfo->pLinearInfo->nextEnd);
         pFillSup->next.key = pFillSup->nextOriginKey;
         copyCalcRowDeltaData(&pFillSup->next, pFillInfo->pLinearInfo->pEndPoints, pFillSup->pAllColInfo,
-                         pFillSup->numOfAllCols);
+                         pFillSup->numOfAllCols, pFillSup->pOffsetInfo);
         pFillInfo->pResRow = &pFillSup->cur;
         pFillInfo->pLinearInfo->hasNext = false;
       }
@@ -1249,11 +1272,11 @@ static bool needAdjustValue(SSlicePoint* pPoint, TSKEY ts, void* pPkVal, SStream
 }
 
 void transBlockToSliceResultRow(const SSDataBlock* pBlock, int32_t rowId, TSKEY ts, SSliceRowData* pRowVal,
-                                int32_t rowSize, void* pPkData, SColumnInfoData* pPkCol) {
+                                int32_t rowSize, void* pPkData, SColumnInfoData* pPkCol, int32_t* pCellOffsetInfo) {
   int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
   for (int32_t i = 0; i < numOfCols; ++i) {
     SColumnInfoData* pColData = taosArrayGet(pBlock->pDataBlock, i);
-    SResultCellData* pCell = getSliceResultCell((SResultCellData*)pRowVal->pRowVal, i);
+    SResultCellData* pCell = getSliceResultCell((SResultCellData*)pRowVal->pRowVal, i, pCellOffsetInfo);
     if (!colDataIsNull_s(pColData, rowId)) {
       pCell->isNull = false;
       pCell->type = pColData->info.type;
@@ -1374,7 +1397,7 @@ static void doStreamTimeSliceImpl(SOperatorInfo* pOperator, SSDataBlock* pBlock)
   }
   right = needAdjustValue(&curPoint, tsCols[startPos], pPkVal, pFillSup, false, pFillSup->type);
   if (right) {
-    transBlockToSliceResultRow(pBlock, startPos, tsCols[startPos], curPoint.pRightRow, pFillSup->rowSize, pPkVal, pPkColDataInfo);
+    transBlockToSliceResultRow(pBlock, startPos, tsCols[startPos], curPoint.pRightRow, pFillSup->rowSize, pPkVal, pPkColDataInfo, pFillSup->pOffsetInfo);
     bool needDel = pInfo->destHasPrimaryKey && winCode == TSDB_CODE_SUCCESS;
     code = saveTimeSliceWinResultInfo(pAggSup, &pInfo->twAggSup, &curPoint.key, pInfo->pUpdatedMap, needDel,
                                       pInfo->pDeletedMap);
@@ -1393,7 +1416,7 @@ static void doStreamTimeSliceImpl(SOperatorInfo* pOperator, SSDataBlock* pBlock)
     }
     left = needAdjustValue(&nextPoint, tsCols[leftRowId], pPkVal, pFillSup, true, pFillSup->type);
     if (left) {
-      transBlockToSliceResultRow(pBlock, leftRowId, tsCols[leftRowId], nextPoint.pLeftRow, pFillSup->rowSize, pPkVal, pPkColDataInfo);
+      transBlockToSliceResultRow(pBlock, leftRowId, tsCols[leftRowId], nextPoint.pLeftRow, pFillSup->rowSize, pPkVal, pPkColDataInfo, pFillSup->pOffsetInfo);
       bool needDel = pInfo->destHasPrimaryKey && winCode == TSDB_CODE_SUCCESS;
       code = saveTimeSliceWinResultInfo(pAggSup, &pInfo->twAggSup, &nextPoint.key, pInfo->pUpdatedMap,
                                         needDel, pInfo->pDeletedMap);
@@ -1418,7 +1441,7 @@ static void doStreamTimeSliceImpl(SOperatorInfo* pOperator, SSDataBlock* pBlock)
     }
     right = needAdjustValue(&curPoint, tsCols[startPos], pPkVal, pFillSup, false, pFillSup->type);
     if (right) {
-      transBlockToSliceResultRow(pBlock, startPos, tsCols[startPos], curPoint.pRightRow, pFillSup->rowSize, pPkVal, pPkColDataInfo);
+      transBlockToSliceResultRow(pBlock, startPos, tsCols[startPos], curPoint.pRightRow, pFillSup->rowSize, pPkVal, pPkColDataInfo, pFillSup->pOffsetInfo);
       bool needDel = pInfo->destHasPrimaryKey && winCode == TSDB_CODE_SUCCESS;
       code = saveTimeSliceWinResultInfo(pAggSup, &pInfo->twAggSup, &curPoint.key, pInfo->pUpdatedMap, needDel,
                                         pInfo->pDeletedMap);
@@ -1946,7 +1969,7 @@ static void copyFillValueInfo(SStreamFillSupporter* pFillSup, SStreamFillInfo* p
         continue;
       }
       int32_t          srcSlot = pFillCol->pExpr->base.pParam[0].pCol->slotId;
-      SResultCellData* pCell = getResultCell(pFillInfo->pResRow, srcSlot);
+      SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, srcSlot, pFillSup->pOffsetInfo);
       SFillColInfo*    pValueCol = pFillSup->pAllColInfo + valueIndex;
       SVariant*        pVar = &(pValueCol->fillVal);
       if (pCell->type == TSDB_DATA_TYPE_FLOAT) {
@@ -1970,7 +1993,7 @@ static void copyFillValueInfo(SStreamFillSupporter* pFillSup, SStreamFillInfo* p
     for (int32_t i = 0; i < pFillSup->numOfAllCols; ++i) {
       SFillColInfo*    pFillCol = pFillSup->pAllColInfo + i;
       int32_t          slotId = GET_DEST_SLOT_ID(pFillCol);
-      SResultCellData* pCell = getResultCell(pFillInfo->pResRow, slotId);
+      SResultCellData* pCell = getSliceResultCell(pFillInfo->pResRow->pRowVal, slotId, pFillSup->pOffsetInfo);
       pCell->isNull = true;
     }
   }
@@ -2090,7 +2113,7 @@ int32_t createStreamTimeSliceOperatorInfo(SOperatorInfo* downstream, SPhysiNode*
   QUERY_CHECK_CODE(code, lino, _error);
 
   pInfo->pFillSup = NULL;
-  code = initTimeSliceFillSup(pInterpPhyNode, pExpSup, numOfExprs, pPkCol, &pInfo->pFillSup);
+  code = initTimeSliceFillSup(pInterpPhyNode, pExpSup, numOfExprs, pDownRes, pPkCol, &pInfo->pFillSup);
   QUERY_CHECK_CODE(code, lino, _error);
 
   int32_t ratio = 1;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 0ee8f9be33..6facaed78d 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -10931,10 +10931,10 @@ static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStm
 
   if (pSelect->hasInterpFunc) {
     // Temporary code
-    if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
-      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
-                                     "Stream interp function only support force window close");
-    }
+    // if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
+    //   return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
+    //                                  "Stream interp function only support force window close");
+    // }
 
     if (pStmt->pOptions->triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
       if (pStmt->pOptions->fillHistory) {

From ba569d3df30215d07434147a22e487e2f1480c79 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Tue, 26 Nov 2024 15:27:03 +0800
Subject: [PATCH 02/10] adj code

---
 source/libs/parser/src/parTranslater.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 6facaed78d..0ee8f9be33 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -10931,10 +10931,10 @@ static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStm
 
   if (pSelect->hasInterpFunc) {
     // Temporary code
-    // if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
-    //   return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
-    //                                  "Stream interp function only support force window close");
-    // }
+    if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
+      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
+                                     "Stream interp function only support force window close");
+    }
 
     if (pStmt->pOptions->triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
       if (pStmt->pOptions->fillHistory) {

From 22023575ba52abc53a81bdd1cf91b4c76914519c Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Tue, 26 Nov 2024 19:46:36 +0800
Subject: [PATCH 03/10] opt stream force fill op

---
 source/libs/executor/inc/executorInt.h        |   3 +-
 source/libs/executor/inc/operator.h           |   2 +-
 source/libs/executor/inc/streamexecutorInt.h  |   3 +-
 source/libs/executor/inc/tfill.h              |   3 +-
 source/libs/executor/src/operator.c           |   2 +-
 source/libs/executor/src/streamfilloperator.c | 152 ++++++++++++++----
 .../src/streamintervalsliceoperator.c         |   8 +-
 .../executor/src/streamtimesliceoperator.c    |   2 +-
 .../executor/src/streamtimewindowoperator.c   |   2 +-
 source/libs/executor/test/queryPlanTests.cpp  |   2 +-
 source/libs/stream/src/tstreamFileState.c     |   5 -
 11 files changed, 130 insertions(+), 54 deletions(-)

diff --git a/source/libs/executor/inc/executorInt.h b/source/libs/executor/inc/executorInt.h
index 89ab8ead21..9c2df5de2c 100644
--- a/source/libs/executor/inc/executorInt.h
+++ b/source/libs/executor/inc/executorInt.h
@@ -823,10 +823,11 @@ typedef struct SStreamFillOperatorInfo {
   int32_t               primaryTsCol;
   int32_t               primarySrcSlotId;
   SStreamFillInfo*      pFillInfo;
-  SStreamAggSupporter*  pStreamAggSup;
   SArray*               pCloseTs;
   SArray*               pUpdated;
   SGroupResInfo         groupResInfo;
+  SStreamState*         pState;
+  SStateStore           stateStore;
 } SStreamFillOperatorInfo;
 
 typedef struct SStreamTimeSliceOperatorInfo {
diff --git a/source/libs/executor/inc/operator.h b/source/libs/executor/inc/operator.h
index 91aef93452..2cf2959924 100644
--- a/source/libs/executor/inc/operator.h
+++ b/source/libs/executor/inc/operator.h
@@ -149,7 +149,7 @@ int32_t createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhysiNode*
 
 int32_t createStreamStateAggOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle, SOperatorInfo** pInfo);
 
-int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysiNode* pPhyFillNode, SExecTaskInfo* pTaskInfo, SOperatorInfo** pInfo);
+int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysiNode* pPhyFillNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle, SOperatorInfo** pInfo);
 
 int32_t createStreamEventAggOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle, SOperatorInfo** pInfo);
 
diff --git a/source/libs/executor/inc/streamexecutorInt.h b/source/libs/executor/inc/streamexecutorInt.h
index 4bd931c567..0a69080314 100644
--- a/source/libs/executor/inc/streamexecutorInt.h
+++ b/source/libs/executor/inc/streamexecutorInt.h
@@ -102,8 +102,9 @@ int32_t getQualifiedRowNumDesc(SExprSupp* pExprSup, SSDataBlock* pBlock, TSKEY*
 int32_t createStreamIntervalSliceOperatorInfo(struct SOperatorInfo* downstream, SPhysiNode* pPhyNode,
                                               SExecTaskInfo* pTaskInfo, SReadHandle* pHandle,
                                               struct SOperatorInfo** ppOptInfo);
-int32_t buildAllResultKey(SStreamAggSupporter* pAggSup, TSKEY ts, SArray* pUpdated);
+int32_t buildAllResultKey(SStateStore* pStateStore, SStreamState* pState, TSKEY ts, SArray* pUpdated);
 int32_t initOffsetInfo(int32_t** ppOffset, SSDataBlock* pRes);
+TSKEY   compareTs(void* pKey);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/executor/inc/tfill.h b/source/libs/executor/inc/tfill.h
index 6072063bbf..d20742bf45 100644
--- a/source/libs/executor/inc/tfill.h
+++ b/source/libs/executor/inc/tfill.h
@@ -119,7 +119,8 @@ typedef struct SStreamFillInfo {
   int32_t                delIndex;
   uint64_t               curGroupId;
   bool                   hasNext;
-  SResultRowData*        pNonFillRow;                 
+  SResultRowData*        pNonFillRow;
+  void*                  pTempBuff;
 } SStreamFillInfo;
 
 int64_t getNumOfResultsAfterFillGap(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRows);
diff --git a/source/libs/executor/src/operator.c b/source/libs/executor/src/operator.c
index 3b10dce63f..a31d3d50e1 100644
--- a/source/libs/executor/src/operator.c
+++ b/source/libs/executor/src/operator.c
@@ -614,7 +614,7 @@ int32_t createOperator(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHand
   } else if (QUERY_NODE_PHYSICAL_PLAN_FILL == type) {
     code = createFillOperatorInfo(ops[0], (SFillPhysiNode*)pPhyNode, pTaskInfo, &pOptr);
   } else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_FILL == type) {
-    code = createStreamFillOperatorInfo(ops[0], (SStreamFillPhysiNode*)pPhyNode, pTaskInfo, &pOptr);
+    code = createStreamFillOperatorInfo(ops[0], (SStreamFillPhysiNode*)pPhyNode, pTaskInfo, pHandle, &pOptr);
   } else if (QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC == type) {
     code = createIndefinitOutputOperatorInfo(ops[0], pPhyNode, pTaskInfo, &pOptr);
   } else if (QUERY_NODE_PHYSICAL_PLAN_INTERP_FUNC == type) {
diff --git a/source/libs/executor/src/streamfilloperator.c b/source/libs/executor/src/streamfilloperator.c
index d00f95e5a9..b90729e3b5 100644
--- a/source/libs/executor/src/streamfilloperator.c
+++ b/source/libs/executor/src/streamfilloperator.c
@@ -131,6 +131,7 @@ void destroyStreamFillInfo(SStreamFillInfo* pFillInfo) {
   pFillInfo->pLinearInfo = NULL;
 
   taosArrayDestroy(pFillInfo->delRanges);
+  taosMemoryFreeClear(pFillInfo->pTempBuff);
   taosMemoryFree(pFillInfo);
 }
 
@@ -150,6 +151,14 @@ static void destroyStreamFillOperatorInfo(void* param) {
   clearGroupResInfo(&pInfo->groupResInfo);
   taosArrayDestroy(pInfo->pCloseTs);
 
+  if (pInfo->stateStore.streamFileStateDestroy != NULL) {
+    pInfo->stateStore.streamFileStateDestroy(pInfo->pState->pFileState);
+  }
+
+  if (pInfo->pState != NULL) {
+    taosMemoryFreeClear(pInfo->pState);
+  }
+
   taosMemoryFree(pInfo);
 }
 
@@ -1159,14 +1168,19 @@ _end:
   return code;
 }
 
+static void resetForceFillWindow(SResultRowData* pRowData) {
+  pRowData->key = INT64_MIN;
+  pRowData->pRowVal = NULL;
+}
+
 void doBuildForceFillResultImpl(SOperatorInfo* pOperator, SStreamFillSupporter* pFillSup,
                                 SStreamFillInfo* pFillInfo, SSDataBlock* pBlock, SGroupResInfo* pGroupResInfo) {
   int32_t code = TSDB_CODE_SUCCESS;
   int32_t lino = 0;
-  SStorageAPI* pAPI = &pOperator->pTaskInfo->storageAPI;
-  void*        pState = pOperator->pTaskInfo->streamInfo.pState;
-  bool    res = false;
-  int32_t numOfRows = getNumOfTotalRes(pGroupResInfo);
+
+  SStreamFillOperatorInfo* pInfo = pOperator->info;
+  bool                     res = false;
+  int32_t                  numOfRows = getNumOfTotalRes(pGroupResInfo);
   for (; pGroupResInfo->index < numOfRows; pGroupResInfo->index++) {
     SWinKey* pKey = (SWinKey*)taosArrayGet(pGroupResInfo->pRows, pGroupResInfo->index);
     if (pBlock->info.id.groupId == 0) {
@@ -1174,25 +1188,30 @@ void doBuildForceFillResultImpl(SOperatorInfo* pOperator, SStreamFillSupporter*
     } else if (pBlock->info.id.groupId != pKey->groupId) {
       break;
     }
-    void*    val = NULL;
-    int32_t  len = 0;
-    int32_t  winCode = pAPI->stateStore.streamStateFillGet(pOperator->pTaskInfo->streamInfo.pState, pKey, (void**)&val, &len, NULL);
+
+    SRowBuffPos* pValPos = NULL;
+    int32_t      len = 0;
+    int32_t      winCode = TSDB_CODE_SUCCESS;
+    code = pInfo->stateStore.streamStateFillGet(pInfo->pState, pKey, (void**)&pValPos, &len, &winCode);
+    QUERY_CHECK_CODE(code, lino, _end);
     qDebug("===stream=== build force fill res. key:%" PRId64 ",groupId:%" PRId64".res:%d", pKey->ts, pKey->groupId, winCode);
     if (winCode == TSDB_CODE_SUCCESS) {
       pFillSup->cur.key = pKey->ts;
-      pFillSup->cur.pRowVal = val;
+      pFillSup->cur.pRowVal = pValPos->pRowBuff;
       code = buildFillResult(&pFillSup->cur, pFillSup, pKey->ts, pBlock, &res);
       QUERY_CHECK_CODE(code, lino, _end);
-      resetFillWindow(&pFillSup->cur);
+      resetForceFillWindow(&pFillSup->cur);
+      releaseOutputBuf(pInfo->pState, pValPos, &pInfo->stateStore);
     } else {
-      SStreamStateCur* pCur = pAPI->stateStore.streamStateFillSeekKeyPrev(pState, pKey);
-      SWinKey          preKey = {.ts = INT64_MIN, .groupId = pKey->groupId};
-      void*            preVal = NULL;
-      int32_t          preVLen = 0;
-      winCode = pAPI->stateStore.streamStateFillGetGroupKVByCur(pCur, &preKey, (const void**)&preVal, &preVLen);
+      SWinKey      preKey = {.ts = INT64_MIN, .groupId = pKey->groupId};
+      SRowBuffPos* prePos = NULL;
+      int32_t      preVLen = 0;
+      code = pInfo->stateStore.streamStateFillGetPrev(pInfo->pState, pKey, &preKey,
+                                                      (void**)&prePos, &preVLen, &winCode);
+      QUERY_CHECK_CODE(code, lino, _end);
       if (winCode == TSDB_CODE_SUCCESS) {
         pFillSup->cur.key = pKey->ts;
-        pFillSup->cur.pRowVal = preVal;
+        pFillSup->cur.pRowVal = prePos->pRowBuff;
         if (pFillInfo->type == TSDB_FILL_PREV) {
           code = buildFillResult(&pFillSup->cur, pFillSup, pKey->ts, pBlock, &res);
           QUERY_CHECK_CODE(code, lino, _end);
@@ -1202,9 +1221,9 @@ void doBuildForceFillResultImpl(SOperatorInfo* pOperator, SStreamFillSupporter*
           code = buildFillResult(pFillInfo->pResRow, pFillSup, pKey->ts, pBlock, &res);
           QUERY_CHECK_CODE(code, lino, _end);
         }
-        resetFillWindow(&pFillSup->cur);
+        resetForceFillWindow(&pFillSup->cur);
       }
-      pAPI->stateStore.streamStateFreeCur(pCur);
+      releaseOutputBuf(pInfo->pState, prePos, &pInfo->stateStore);
     }
   }
 
@@ -1249,6 +1268,45 @@ _end:
   return code;
 }
 
+static void keepResultInStateBuf(SStreamFillOperatorInfo* pInfo, uint64_t groupId, SResultRowData* pRow) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+
+  SWinKey      key = {.groupId = groupId, .ts = pRow->key};
+  int32_t      curVLen = 0;
+  SRowBuffPos* pStatePos = NULL;
+  int32_t      winCode = TSDB_CODE_SUCCESS;
+  code = pInfo->stateStore.streamStateFillAddIfNotExist(pInfo->pState, &key, (void**)&pStatePos,
+                                                        &curVLen, &winCode);
+  QUERY_CHECK_CODE(code, lino, _end);
+  memcpy(pStatePos->pRowBuff, pRow->pRowVal, pInfo->pFillSup->rowSize);
+  qDebug("===stream===fill operator save key ts:%" PRId64 " group id:%" PRIu64 "  code:%d", key.ts, key.groupId, code);
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
+  }
+}
+
+int32_t keepBlockRowInStateBuf(SStreamFillOperatorInfo* pInfo, SStreamFillInfo* pFillInfo, SSDataBlock* pBlock, TSKEY* tsCol,
+                               int32_t rowId, uint64_t groupId, int32_t rowSize) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+  TSKEY ts = tsCol[rowId];
+  pFillInfo->nextRowKey = ts;
+  TAOS_MEMSET(pFillInfo->pTempBuff, 0, rowSize);
+  SResultRowData tmpNextRow = {.key = ts, .pRowVal = pFillInfo->pTempBuff};
+
+  transBlockToResultRow(pBlock, rowId, ts, &tmpNextRow);
+  keepResultInStateBuf(pInfo, groupId, &tmpNextRow);
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  return code;
+}
+
 // force window close impl
 static int32_t doStreamForceFillImpl(SOperatorInfo* pOperator) {
   int32_t                  code = TSDB_CODE_SUCCESS;
@@ -1259,11 +1317,10 @@ static int32_t doStreamForceFillImpl(SOperatorInfo* pOperator) {
   SStreamFillInfo*         pFillInfo = pInfo->pFillInfo;
   SSDataBlock*             pBlock = pInfo->pSrcBlock;
   uint64_t                 groupId = pBlock->info.id.groupId;
-  SStreamAggSupporter*     pAggSup = pInfo->pStreamAggSup;
   SColumnInfoData*         pTsCol = taosArrayGet(pInfo->pSrcBlock->pDataBlock, pInfo->primaryTsCol);
   TSKEY*                   tsCol = (TSKEY*)pTsCol->pData;
   for (int32_t i = 0; i < pBlock->info.rows; i++){
-    code = keepBlockRowInDiscBuf(pOperator, pFillInfo, pBlock, tsCol, i, groupId, pFillSup->rowSize);
+    code = keepBlockRowInStateBuf(pInfo, pFillInfo, pBlock, tsCol, i, groupId, pFillSup->rowSize);
     QUERY_CHECK_CODE(code, lino, _end);
 
     int32_t size =  taosArrayGetSize(pInfo->pCloseTs);
@@ -1283,7 +1340,7 @@ static int32_t doStreamForceFillImpl(SOperatorInfo* pOperator) {
       }
     }
   }
-  code = pAggSup->stateStore.streamStateGroupPut(pAggSup->pState, groupId, NULL, 0);
+  code = pInfo->stateStore.streamStateGroupPut(pInfo->pState, groupId, NULL, 0);
   QUERY_CHECK_CODE(code, lino, _end);
 
 _end:
@@ -1293,13 +1350,13 @@ _end:
   return code;
 }
 
-int32_t buildAllResultKey(SStreamAggSupporter* pAggSup, TSKEY ts, SArray* pUpdated) {
+int32_t buildAllResultKey(SStateStore* pStateStore, SStreamState* pState, TSKEY ts, SArray* pUpdated) {
   int32_t          code = TSDB_CODE_SUCCESS;
   int32_t          lino = 0;
   int64_t          groupId = 0;
-  SStreamStateCur* pCur = pAggSup->stateStore.streamStateGroupGetCur(pAggSup->pState);
+  SStreamStateCur* pCur = pStateStore->streamStateGroupGetCur(pState);
   while (1) {  
-    int32_t winCode = pAggSup->stateStore.streamStateGroupGetKVByCur(pCur, &groupId, NULL, NULL);
+    int32_t winCode = pStateStore->streamStateGroupGetKVByCur(pCur, &groupId, NULL, NULL);
     if (winCode != TSDB_CODE_SUCCESS) {
       break;
     }
@@ -1307,14 +1364,14 @@ int32_t buildAllResultKey(SStreamAggSupporter* pAggSup, TSKEY ts, SArray* pUpdat
     void* pPushRes = taosArrayPush(pUpdated, &key);
     QUERY_CHECK_NULL(pPushRes, code, lino, _end, terrno);
 
-    pAggSup->stateStore.streamStateGroupCurNext(pCur);
+    pStateStore->streamStateGroupCurNext(pCur);
   }
-  pAggSup->stateStore.streamStateFreeCur(pCur);
+  pStateStore->streamStateFreeCur(pCur);
   pCur = NULL;
 
 _end:
   if (code != TSDB_CODE_SUCCESS) {
-    pAggSup->stateStore.streamStateFreeCur(pCur);
+    pStateStore->streamStateFreeCur(pCur);
     pCur = NULL;
     qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
   }
@@ -1347,7 +1404,8 @@ static int32_t doStreamForceFillNext(SOperatorInfo* pOperator, SSDataBlock** ppR
       (*ppRes) = resBlock;
       goto _end;
     }
-    pInfo->pStreamAggSup->stateStore.streamStateClearExpiredState(pInfo->pStreamAggSup->pState);
+
+    pInfo->stateStore.streamStateClearExpiredState(pInfo->pState);
     setStreamOperatorCompleted(pOperator);
     (*ppRes) = NULL;
     goto _end;
@@ -1395,7 +1453,7 @@ static int32_t doStreamForceFillNext(SOperatorInfo* pOperator, SSDataBlock** ppR
 
   for (int32_t i = 0; i < taosArrayGetSize(pInfo->pCloseTs); i++) {
     TSKEY ts = *(TSKEY*) taosArrayGet(pInfo->pCloseTs, i);
-    code = buildAllResultKey(pInfo->pStreamAggSup, ts, pInfo->pUpdated);
+    code = buildAllResultKey(&pInfo->stateStore, pInfo->pState, ts, pInfo->pUpdated);
     QUERY_CHECK_CODE(code, lino, _end);
   }
   taosArrayClear(pInfo->pCloseTs);
@@ -1414,7 +1472,7 @@ static int32_t doStreamForceFillNext(SOperatorInfo* pOperator, SSDataBlock** ppR
   QUERY_CHECK_CODE(code, lino, _end);
 
   if ((*ppRes) == NULL) {
-    pInfo->pStreamAggSup->stateStore.streamStateClearExpiredState(pInfo->pStreamAggSup->pState);
+    pInfo->stateStore.streamStateClearExpiredState(pInfo->pState);
     setStreamOperatorCompleted(pOperator);
   }
 
@@ -1621,6 +1679,7 @@ SStreamFillInfo* initStreamFillInfo(SStreamFillSupporter* pFillSup, SSDataBlock*
   pFillInfo->delIndex = 0;
   pFillInfo->curGroupId = 0;
   pFillInfo->hasNext = false;
+  pFillInfo->pTempBuff = taosMemoryCalloc(1, pFillSup->rowSize);
   return pFillInfo;
 
 _end:
@@ -1664,21 +1723,18 @@ static void setValueForFillInfo(SStreamFillSupporter* pFillSup, SStreamFillInfo*
   }
 }
 
-int32_t getDownStreamInfo(SOperatorInfo* downstream, int8_t* triggerType, SInterval* pInterval, SStreamAggSupporter** ppAggSup) {
+int32_t getDownStreamInfo(SOperatorInfo* downstream, int8_t* triggerType, SInterval* pInterval) {
   int32_t code = TSDB_CODE_SUCCESS;
   int32_t lino = 0;
   if (IS_NORMAL_INTERVAL_OP(downstream)) {
     SStreamIntervalOperatorInfo* pInfo = downstream->info;
     *triggerType = pInfo->twAggSup.calTrigger;
     *pInterval = pInfo->interval;
-    (*ppAggSup) = NULL;
   } else if (IS_CONTINUE_INTERVAL_OP(downstream)) {
     SStreamIntervalSliceOperatorInfo* pInfo = downstream->info;
     *triggerType = pInfo->twAggSup.calTrigger;
     *pInterval = pInfo->interval;
     pInfo->hasFill = true;
-    (*ppAggSup) = &pInfo->streamAggSup;
-    pInfo->streamAggSup.stateStore.streamStateSetFillInfo(pInfo->streamAggSup.pState);
   } else {
     code = TSDB_CODE_STREAM_INTERNAL_ERROR;
   }
@@ -1691,8 +1747,31 @@ _end:
   return code;
 }
 
+int32_t initFillOperatorStateBuff(SStreamFillOperatorInfo* pInfo, SStreamState* pState, SStateStore* pStore,
+                                  SReadHandle* pHandle, const char* taskIdStr, SStorageAPI* pApi) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+
+  pInfo->stateStore = *pStore;
+  pInfo->pState = taosMemoryCalloc(1, sizeof(SStreamState));
+  QUERY_CHECK_NULL(pInfo->pState, code, lino, _end, terrno);
+
+  *(pInfo->pState) = *pState;
+  pInfo->stateStore.streamStateSetNumber(pInfo->pState, -1, pInfo->primaryTsCol);
+  code = pInfo->stateStore.streamFileStateInit(tsStreamBufferSize, sizeof(SWinKey), pInfo->pFillSup->rowSize, 0, compareTs,
+                                               pInfo->pState, INT64_MAX, taskIdStr, pHandle->checkpointId,
+                                               STREAM_STATE_BUFF_HASH_SORT, &pInfo->pState->pFileState);
+  QUERY_CHECK_CODE(code, lino, _end);
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  return code;
+}
+
 int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysiNode* pPhyFillNode,
-                                     SExecTaskInfo* pTaskInfo, SOperatorInfo** pOptrInfo) {
+                                     SExecTaskInfo* pTaskInfo, SReadHandle* pHandle, SOperatorInfo** pOptrInfo) {
   QRY_PARAM_CHECK(pOptrInfo);
 
   int32_t                  code = TSDB_CODE_SUCCESS;
@@ -1718,7 +1797,7 @@ int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysi
 
   int8_t triggerType = 0;
   SInterval interval = {0};
-  code = getDownStreamInfo(downstream, &triggerType, &interval, &pInfo->pStreamAggSup);
+  code = getDownStreamInfo(downstream, &triggerType, &interval);
   QUERY_CHECK_CODE(code, lino, _error);
 
   pInfo->pFillSup = initStreamFillSup(pPhyFillNode, &interval, pFillExprInfo, numOfFillCols, &pTaskInfo->storageAPI,
@@ -1773,9 +1852,12 @@ int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysi
                   pTaskInfo);
 
   if (triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
+    initFillOperatorStateBuff(pInfo, pTaskInfo->streamInfo.pState, &pTaskInfo->storageAPI.stateStore, pHandle,
+                              GET_TASKID(pTaskInfo), &pTaskInfo->storageAPI);
     pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doStreamForceFillNext, NULL, destroyStreamFillOperatorInfo,
                                            optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
   } else {
+    pInfo->pState != NULL;
     pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doStreamFillNext, NULL, destroyStreamFillOperatorInfo,
                                            optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
   }
diff --git a/source/libs/executor/src/streamintervalsliceoperator.c b/source/libs/executor/src/streamintervalsliceoperator.c
index f26cbce119..fcf7d6ef10 100644
--- a/source/libs/executor/src/streamintervalsliceoperator.c
+++ b/source/libs/executor/src/streamintervalsliceoperator.c
@@ -360,9 +360,7 @@ static int32_t doStreamIntervalSliceNext(SOperatorInfo* pOperator, SSDataBlock**
       return code;
     }
 
-    if (pInfo->hasFill == false) {
-      pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
-    }
+    pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
     setStreamOperatorCompleted(pOperator);
     (*ppRes) = NULL;
     return code;
@@ -452,9 +450,7 @@ static int32_t doStreamIntervalSliceNext(SOperatorInfo* pOperator, SSDataBlock**
   QUERY_CHECK_CODE(code, lino, _end);
 
   if ((*ppRes) == NULL) {
-    if (pInfo->hasFill == false) {
-      pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
-    }
+    pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
     setStreamOperatorCompleted(pOperator);
   }
 
diff --git a/source/libs/executor/src/streamtimesliceoperator.c b/source/libs/executor/src/streamtimesliceoperator.c
index 66793ca5a0..8611678e5a 100644
--- a/source/libs/executor/src/streamtimesliceoperator.c
+++ b/source/libs/executor/src/streamtimesliceoperator.c
@@ -1909,7 +1909,7 @@ static int32_t doStreamTimeSliceNext(SOperatorInfo* pOperator, SSDataBlock** ppR
     qDebug("===stream===build stream result, ts count:%d", size);
     for (int32_t i = 0; i < size; i++) {
       TSKEY ts = *(TSKEY*) taosArrayGet(pInfo->pCloseTs, i);
-      code = buildAllResultKey(&pInfo->streamAggSup, ts, pInfo->pUpdated);
+      code = buildAllResultKey(&pInfo->streamAggSup.stateStore, pInfo->streamAggSup.pState, ts, pInfo->pUpdated);
       QUERY_CHECK_CODE(code, lino, _end);
     }
     qDebug("===stream===build stream result, res count:%ld", taosArrayGetSize(pInfo->pUpdated));
diff --git a/source/libs/executor/src/streamtimewindowoperator.c b/source/libs/executor/src/streamtimewindowoperator.c
index 8fd00e9313..8bf7323d63 100644
--- a/source/libs/executor/src/streamtimewindowoperator.c
+++ b/source/libs/executor/src/streamtimewindowoperator.c
@@ -1834,7 +1834,7 @@ int64_t getDeleteMarkFromOption(SStreamNodeOption* pOption) {
   return deleteMark;
 }
 
-static TSKEY compareTs(void* pKey) {
+TSKEY compareTs(void* pKey) {
   SWinKey* pWinKey = (SWinKey*)pKey;
   return pWinKey->ts;
 }
diff --git a/source/libs/executor/test/queryPlanTests.cpp b/source/libs/executor/test/queryPlanTests.cpp
index 6710435aba..69097ce755 100755
--- a/source/libs/executor/test/queryPlanTests.cpp
+++ b/source/libs/executor/test/queryPlanTests.cpp
@@ -3094,7 +3094,7 @@ void qptExecPlan(SReadHandle* pReadHandle, SNode* pNode, SExecTaskInfo* pTaskInf
       qptCtx.result.code = createFillOperatorInfo(NULL, (SFillPhysiNode*)pNode, pTaskInfo, ppOperaotr);
       break;
     case QUERY_NODE_PHYSICAL_PLAN_STREAM_FILL:
-      qptCtx.result.code = createStreamFillOperatorInfo(NULL, (SStreamFillPhysiNode*)pNode, pTaskInfo, ppOperaotr);
+      qptCtx.result.code = createStreamFillOperatorInfo(NULL, (SStreamFillPhysiNode*)pNode, pTaskInfo, pReadHandle, ppOperaotr);
       break;
     case QUERY_NODE_PHYSICAL_PLAN_MERGE_SESSION:
       qptCtx.result.code = createSessionAggOperatorInfo(NULL, (SSessionWinodwPhysiNode*)pNode, pTaskInfo, ppOperaotr);
diff --git a/source/libs/stream/src/tstreamFileState.c b/source/libs/stream/src/tstreamFileState.c
index dc4ca7c0e5..564f0d3cb0 100644
--- a/source/libs/stream/src/tstreamFileState.c
+++ b/source/libs/stream/src/tstreamFileState.c
@@ -1232,11 +1232,6 @@ void clearExpiredState(SStreamFileState* pFileState) {
         int32_t code_file = pFileState->stateFileRemoveFn(pFileState, pKey);
         qTrace("clear expired file, ts:%" PRId64 ". %s at line %d res:%d", pKey->ts, __func__, __LINE__, code_file);
       }
-
-      if (pFileState->hasFillCatch == false) {
-        int32_t code_file = streamStateFillDel_rocksdb(pFileState->pFileStore, pKey);
-        qTrace("force clear expired file, ts:%" PRId64 ". %s at line %d res %d", pKey->ts, __func__, __LINE__, code_file);
-      }
     }
     taosArrayRemoveBatch(pWinStates, 0, size - 1, NULL);
   }

From a6cd2b16fe54600d6a0fef93bffdcbe504ec73c6 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 08:40:19 +0800
Subject: [PATCH 04/10] adj function name

---
 include/libs/stream/tstreamFileState.h    | 2 +-
 source/libs/stream/src/tstreamFileState.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/libs/stream/tstreamFileState.h b/include/libs/stream/tstreamFileState.h
index 4a696d9798..f1f5b00e38 100644
--- a/include/libs/stream/tstreamFileState.h
+++ b/include/libs/stream/tstreamFileState.h
@@ -93,7 +93,7 @@ int32_t allocSessioncWinBuffByNextPosition(SStreamFileState* pFileState, SStream
                                            const SSessionKey* pWinKey, void** ppVal, int32_t* pVLen);
 
 SRowBuffPos* createSessionWinBuff(SStreamFileState* pFileState, SSessionKey* pKey, void* p, int32_t* pVLen);
-int32_t      recoverSesssion(SStreamFileState* pFileState, int64_t ckId);
+int32_t      recoverSession(SStreamFileState* pFileState, int64_t ckId);
 
 void sessionWinStateClear(SStreamFileState* pFileState);
 void sessionWinStateCleanup(void* pBuff);
diff --git a/source/libs/stream/src/tstreamFileState.c b/source/libs/stream/src/tstreamFileState.c
index 564f0d3cb0..8c8aee8c7d 100644
--- a/source/libs/stream/src/tstreamFileState.c
+++ b/source/libs/stream/src/tstreamFileState.c
@@ -259,7 +259,7 @@ int32_t streamFileStateInit(int64_t memSize, uint32_t keySize, uint32_t rowSize,
   if (type == STREAM_STATE_BUFF_HASH || type == STREAM_STATE_BUFF_HASH_SEARCH) {
     code = recoverSnapshot(pFileState, checkpointId);
   } else if (type == STREAM_STATE_BUFF_SORT) {
-    code = recoverSesssion(pFileState, checkpointId);
+    code = recoverSession(pFileState, checkpointId);
   } else if (type == STREAM_STATE_BUFF_HASH_SORT) {
     code = recoverFillSnapshot(pFileState, checkpointId);
   }
@@ -914,7 +914,7 @@ int32_t deleteExpiredCheckPoint(SStreamFileState* pFileState, TSKEY mark) {
   return code;
 }
 
-int32_t recoverSesssion(SStreamFileState* pFileState, int64_t ckId) {
+int32_t recoverSession(SStreamFileState* pFileState, int64_t ckId) {
   int32_t code = TSDB_CODE_SUCCESS;
   int32_t lino = 0;
   int32_t winRes = TSDB_CODE_SUCCESS;

From 0669910da544801512764d8f5fd93e8167579638 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 08:58:39 +0800
Subject: [PATCH 05/10] fix issue

---
 source/libs/executor/src/streamfilloperator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/libs/executor/src/streamfilloperator.c b/source/libs/executor/src/streamfilloperator.c
index b90729e3b5..6bce2e54a1 100644
--- a/source/libs/executor/src/streamfilloperator.c
+++ b/source/libs/executor/src/streamfilloperator.c
@@ -1852,8 +1852,9 @@ int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysi
                   pTaskInfo);
 
   if (triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
-    initFillOperatorStateBuff(pInfo, pTaskInfo->streamInfo.pState, &pTaskInfo->storageAPI.stateStore, pHandle,
+    code = initFillOperatorStateBuff(pInfo, pTaskInfo->streamInfo.pState, &pTaskInfo->storageAPI.stateStore, pHandle,
                               GET_TASKID(pTaskInfo), &pTaskInfo->storageAPI);
+    QUERY_CHECK_CODE(code, lino, _error);
     pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doStreamForceFillNext, NULL, destroyStreamFillOperatorInfo,
                                            optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
   } else {

From e63b8a0ccb1648be6328aafa681213e237e48836 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 10:55:52 +0800
Subject: [PATCH 06/10] fix issue

---
 source/libs/executor/src/streamfilloperator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/executor/src/streamfilloperator.c b/source/libs/executor/src/streamfilloperator.c
index 6bce2e54a1..7b364de09d 100644
--- a/source/libs/executor/src/streamfilloperator.c
+++ b/source/libs/executor/src/streamfilloperator.c
@@ -1858,7 +1858,7 @@ int32_t createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysi
     pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doStreamForceFillNext, NULL, destroyStreamFillOperatorInfo,
                                            optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
   } else {
-    pInfo->pState != NULL;
+    pInfo->pState = NULL;
     pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doStreamFillNext, NULL, destroyStreamFillOperatorInfo,
                                            optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
   }

From 9d668150d51cd58f41eb0f8bd661812e2cb65377 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 16:24:46 +0800
Subject: [PATCH 07/10] fix stream issue

---
 source/libs/executor/src/streamfilloperator.c |   6 +-
 .../src/streamintervalsliceoperator.c         |  15 +-
 source/libs/parser/src/parTranslater.c        |   8 +-
 source/libs/stream/src/streamBackendRocksdb.c |   2 +-
 source/libs/stream/src/streamSliceState.c     |  75 +++---
 .../stream/streamFwcIntervalCheckpoint.sim    |  67 -----
 .../script/tsim/stream/streamTwaInterpFwc.sim | 247 ++++++++++++++++++
 .../stream/streamTwaInterpFwcCheckpoint.sim   | 180 +++++++++++++
 8 files changed, 487 insertions(+), 113 deletions(-)
 delete mode 100644 tests/script/tsim/stream/streamFwcIntervalCheckpoint.sim
 create mode 100644 tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim

diff --git a/source/libs/executor/src/streamfilloperator.c b/source/libs/executor/src/streamfilloperator.c
index 7b364de09d..c992bd15b7 100644
--- a/source/libs/executor/src/streamfilloperator.c
+++ b/source/libs/executor/src/streamfilloperator.c
@@ -1432,7 +1432,11 @@ static int32_t doStreamForceFillNext(SOperatorInfo* pOperator, SSDataBlock** ppR
         memcpy(pInfo->pSrcBlock->info.parTbName, pBlock->info.parTbName, TSDB_TABLE_NAME_LEN);
         pInfo->srcRowIndex = -1;
       } break;
-      case STREAM_CHECKPOINT:
+      case STREAM_CHECKPOINT: {
+        pInfo->stateStore.streamStateCommit(pInfo->pState);
+        (*ppRes) = pBlock;
+        goto _end;
+      } break;
       case STREAM_CREATE_CHILD_TABLE: {
         (*ppRes) = pBlock;
         goto _end;
diff --git a/source/libs/executor/src/streamintervalsliceoperator.c b/source/libs/executor/src/streamintervalsliceoperator.c
index fcf7d6ef10..e7a9c58710 100644
--- a/source/libs/executor/src/streamintervalsliceoperator.c
+++ b/source/libs/executor/src/streamintervalsliceoperator.c
@@ -360,6 +360,13 @@ static int32_t doStreamIntervalSliceNext(SOperatorInfo* pOperator, SSDataBlock**
       return code;
     }
 
+    if (pInfo->recvCkBlock) {
+      pInfo->recvCkBlock = false;
+      printDataBlock(pInfo->pCheckpointRes, getStreamOpName(pOperator->operatorType), GET_TASKID(pTaskInfo));
+      (*ppRes) = pInfo->pCheckpointRes;
+      return code;
+    } 
+
     pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
     setStreamOperatorCompleted(pOperator);
     (*ppRes) = NULL;
@@ -391,8 +398,6 @@ static int32_t doStreamIntervalSliceNext(SOperatorInfo* pOperator, SSDataBlock**
       case STREAM_CHECKPOINT: {
         pInfo->recvCkBlock = true;
         pAggSup->stateStore.streamStateCommit(pAggSup->pState);
-        // doStreamIntervalSliceSaveCheckpoint(pOperator);
-        pInfo->recvCkBlock = true;
         code = copyDataBlock(pInfo->pCheckpointRes, pBlock);
         QUERY_CHECK_CODE(code, lino, _end);
         continue;
@@ -450,6 +455,12 @@ static int32_t doStreamIntervalSliceNext(SOperatorInfo* pOperator, SSDataBlock**
   QUERY_CHECK_CODE(code, lino, _end);
 
   if ((*ppRes) == NULL) {
+    if (pInfo->recvCkBlock) {
+      pInfo->recvCkBlock = false;
+      printDataBlock(pInfo->pCheckpointRes, getStreamOpName(pOperator->operatorType), GET_TASKID(pTaskInfo));
+      (*ppRes) = pInfo->pCheckpointRes;
+      return code;
+    } 
     pAggSup->stateStore.streamStateClearExpiredState(pAggSup->pState);
     setStreamOperatorCompleted(pOperator);
   }
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 0ee8f9be33..6facaed78d 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -10931,10 +10931,10 @@ static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStm
 
   if (pSelect->hasInterpFunc) {
     // Temporary code
-    if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
-      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
-                                     "Stream interp function only support force window close");
-    }
+    // if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
+    //   return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
+    //                                  "Stream interp function only support force window close");
+    // }
 
     if (pStmt->pOptions->triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
       if (pStmt->pOptions->fillHistory) {
diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 09f4e95376..68c99aa1b3 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -4130,7 +4130,7 @@ SStreamStateCur* streamStateFillSeekKeyPrev_rocksdb(SStreamState* pState, const
 
 SStreamStateCur* streamStateFillSeekToLast_rocksdb(SStreamState* pState) {
   SWinKey key = {.groupId = UINT64_MAX, .ts = INT64_MAX};
-  return streamStateFillSeekKeyNext_rocksdb(pState, &key);
+  return streamStateFillSeekKeyPrev_rocksdb(pState, &key);
 }
 
 #ifdef BUILD_NO_CALL
diff --git a/source/libs/stream/src/streamSliceState.c b/source/libs/stream/src/streamSliceState.c
index 238bff8afc..c23537d018 100644
--- a/source/libs/stream/src/streamSliceState.c
+++ b/source/libs/stream/src/streamSliceState.c
@@ -23,6 +23,33 @@
 #define NUM_OF_CACHE_WIN 64
 #define MAX_NUM_OF_CACHE_WIN 128
 
+int32_t recoverSearchBuff(SStreamFileState* pFileState, SArray* pWinStates, uint64_t groupId) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+
+  SWinKey          start = {.groupId = groupId, .ts = INT64_MAX};
+  void*            pState = getStateFileStore(pFileState);
+  SStreamStateCur* pCur = streamStateFillSeekKeyPrev_rocksdb(pState, &start);
+  for (int32_t i = 0; i < NUM_OF_CACHE_WIN; i++) {
+    SWinKey tmpKey = {.groupId = groupId};
+    int32_t tmpRes = streamStateFillGetGroupKVByCur_rocksdb(pCur, &tmpKey, NULL, 0);
+    if (tmpRes != TSDB_CODE_SUCCESS) {
+      break;
+    }
+    void* tmp = taosArrayPush(pWinStates, &tmpKey);
+    QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
+    streamStateCurPrev_rocksdb(pCur);
+  }
+  taosArraySort(pWinStates, winKeyCmprImpl);
+  streamStateFreeCur(pCur);
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  return code;
+}
+
 int32_t getHashSortRowBuff(SStreamFileState* pFileState, const SWinKey* pKey, void** pVal, int32_t* pVLen,
                            int32_t* pWinCode) {
   int32_t code = TSDB_CODE_SUCCESS;
@@ -38,22 +65,7 @@ int32_t getHashSortRowBuff(SStreamFileState* pFileState, const SWinKey* pKey, vo
 
   // recover
   if (taosArrayGetSize(pWinStates) == 0 && needClearDiskBuff(pFileState)) {
-    TSKEY            ts = getFlushMark(pFileState);
-    SWinKey          start = {.groupId = pKey->groupId, .ts = INT64_MAX};
-    void*            pState = getStateFileStore(pFileState);
-    SStreamStateCur* pCur = streamStateFillSeekKeyPrev_rocksdb(pState, &start);
-    for (int32_t i = 0; i < NUM_OF_CACHE_WIN; i++) {
-      SWinKey tmpKey = {.groupId = pKey->groupId};
-      int32_t tmpRes = streamStateFillGetGroupKVByCur_rocksdb(pCur, &tmpKey, NULL, 0);
-      if (tmpRes != TSDB_CODE_SUCCESS) {
-        break;
-      }
-      void* tmp = taosArrayPush(pWinStates, &tmpKey);
-      QUERY_CHECK_NULL(tmp, code, lino, _end, terrno);
-      streamStateCurPrev_rocksdb(pCur);
-    }
-    taosArraySort(pWinStates, winKeyCmprImpl);
-    streamStateFreeCur(pCur);
+    recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
   }
 
   code = addSearchItem(pFileState, pWinStates, pKey);
@@ -203,29 +215,16 @@ int32_t getHashSortPrevRow(SStreamFileState* pFileState, const SWinKey* pKey, SW
   SArray*    pWinStates = NULL;
   SSHashObj* pSearchBuff = getSearchBuff(pFileState);
   void*      pState = getStateFileStore(pFileState);
-  void**     ppBuff = (void**) tSimpleHashGet(pSearchBuff, &pKey->groupId, sizeof(uint64_t));
-  if (ppBuff) {
-    pWinStates = (SArray*)(*ppBuff);
-  } else {
-    qDebug("===stream=== search buff is empty.group id:%" PRId64, pKey->groupId);
-    SStreamStateCur* pCur = streamStateFillSeekKeyPrev_rocksdb(pState, pKey);
-    void*            tmpVal = NULL;
-    int32_t          len = 0;
-    (*pWinCode) = streamStateFillGetGroupKVByCur_rocksdb(pCur, pResKey, (const void**)&tmpVal, &len);
-    if ((*pWinCode) == TSDB_CODE_SUCCESS) {
-      SRowBuffPos* pNewPos = getNewRowPosForWrite(pFileState);
-      if (!pNewPos || !pNewPos->pRowBuff) {
-        code = TSDB_CODE_OUT_OF_MEMORY;
-        QUERY_CHECK_CODE(code, lino, _end);
-      }
-      memcpy(pNewPos->pRowBuff, tmpVal, len);
-      taosMemoryFreeClear(tmpVal);
-      *pVLen = getRowStateRowSize(pFileState);
-      (*ppVal) = pNewPos;
-    }
-    streamStateFreeCur(pCur);
-    return code;
+  // void**     ppBuff = (void**) tSimpleHashGet(pSearchBuff, &pKey->groupId, sizeof(uint64_t));
+  
+  code = addArrayBuffIfNotExist(pSearchBuff, pKey->groupId, &pWinStates);
+  QUERY_CHECK_CODE(code, lino, _end);
+  
+  // recover
+  if (taosArrayGetSize(pWinStates) == 0 && needClearDiskBuff(pFileState)) {
+    recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
   }
+
   int32_t size = taosArrayGetSize(pWinStates);
   int32_t index = binarySearch(pWinStates, size, pKey, fillStateKeyCompare);
   if (index >= 0) {
diff --git a/tests/script/tsim/stream/streamFwcIntervalCheckpoint.sim b/tests/script/tsim/stream/streamFwcIntervalCheckpoint.sim
deleted file mode 100644
index ed72d87e9a..0000000000
--- a/tests/script/tsim/stream/streamFwcIntervalCheckpoint.sim
+++ /dev/null
@@ -1,67 +0,0 @@
-system sh/stop_dnodes.sh
-system sh/deploy.sh -n dnode1 -i 1
-
-system sh/cfg.sh -n dnode1 -c checkpointInterval -v 60
-
-system sh/exec.sh -n dnode1 -s start
-sleep 50
-sql connect
-
-print step1
-print =============== create database
-sql create database test vgroups 4;
-sql use test;
-
-sql create stable st(ts timestamp, a int, b int , c int)tags(ta int,tb int,tc int);
-sql create table t1 using st tags(1,1,1);
-sql create table t2 using st tags(2,2,2);
-
-sql create stream streams1 trigger force_window_close IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt1 as select _wstart, count(a) from st partition by tbname interval(2s);
-sql create stream streams2 trigger at_once IGNORE EXPIRED 0 IGNORE UPDATE 0 into  streamt2 as select _wstart, count(a) from st interval(2s);
-
-run tsim/stream/checkTaskStatus.sim
-
-sleep 70000
-
-
-print restart taosd 01 ......
-
-system sh/stop_dnodes.sh
-
-system sh/exec.sh -n dnode1 -s start
-
-run tsim/stream/checkTaskStatus.sim
-
-sql insert into t1 values(now +  3000a,1,1,1);
-
-$loop_count = 0
-loop0:
-
-sleep 2000
-
-$loop_count = $loop_count + 1
-if $loop_count == 20 then
-  return -1
-endi
-
-print select * from streamt1;
-sql select * from streamt1;
-
-print $data00 $data01 $data02
-
-if $rows == 0 then
-  goto loop0
-endi
-
-print select * from streamt2;
-sql select * from streamt2;
-
-print $data00 $data01 $data02
-
-if $rows == 0 then
-  goto loop0
-endi
-
-print end
-
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/tsim/stream/streamTwaInterpFwc.sim b/tests/script/tsim/stream/streamTwaInterpFwc.sim
index ce76387c91..050e0282e2 100644
--- a/tests/script/tsim/stream/streamTwaInterpFwc.sim
+++ b/tests/script/tsim/stream/streamTwaInterpFwc.sim
@@ -304,6 +304,253 @@ if $rows != 1 then
   return -1
 endi
 
+print step3
+print =============== create database
+sql create database test4 vgroups 4;
+sql use test4;
+
+sql create stable st(ts timestamp,a int,b int,c int) tags(ta int,tb int,tc int);
+sql create table t1234567890t1 using st tags(1,1,1);
+sql create table t1234567890t2 using st tags(2,2,2);
+
+sql create stable streamt9(ts timestamp,a varchar(10),b tinyint,c tinyint) tags(ta varchar(3),cc int,tc int);
+sql create stable streamt10(ts timestamp,a varchar(10),b tinyint,c tinyint) tags(ta varchar(3),cc int,tc int);
+sql create stable streamt11(ts timestamp,a varchar(10),b tinyint,c tinyint) tags(ta varchar(3),cc int,tc int);
+
+sql create stream streams9 trigger FORCE_WINDOW_CLOSE IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt9 TAGS(cc,ta) SUBTABLE(concat(concat("tbn-", tbname), "_1")) as select _irowts, interp(a), _isfilled as a1, interp(b) from st partition by tbname as ta, b as cc every(2s) fill(value, 100000,200000);
+sql create stream streams10 trigger FORCE_WINDOW_CLOSE IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt10 TAGS(cc,ta) SUBTABLE(concat(concat("tbn-", tbname), "_2")) as select _wstart, twa(a), sum(b),max(c) from st partition by tbname as ta, b as cc interval(2s) fill(NULL);
+sql create stream streams11 trigger FORCE_WINDOW_CLOSE IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt11 TAGS(cc,ta) SUBTABLE(concat(concat("tbn-", tbname), "_3")) as select _wstart, count(a),avg(c),min(b) from st partition by tbname as ta, b as cc interval(2s);
+
+run tsim/stream/checkTaskStatus.sim
+
+sql insert into t1234567890t1 values(now +  3s,100000,1,1);
+
+$loop_count = 0
+loop9:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select cc,ta, * from streamt9;
+sql select cc,ta, * from streamt9;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+# row 0
+if $rows < 2 then
+  print ======rows=$rows
+  goto loop9
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != @t12@ then
+  return -1
+endi
+
+if $data03 != @100000@ then
+  return -1
+endi
+
+if $data04 != 1 then
+  return -1
+endi
+
+if $data05 != 64 then
+  return -1
+endi
+
+print 3 sql select * from information_schema.ins_tables where stable_name = "streamt9";
+sql select * from information_schema.ins_tables where stable_name = "streamt9";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+print 4 sql select * from information_schema.ins_tables where stable_name = "streamt9" and table_name like "tbn-t1234567890t1_1%";
+sql select * from information_schema.ins_tables where stable_name = "streamt9" and table_name like "tbn-t1234567890t1_1%";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+$loop_count = 0
+loop10:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select cc,ta, * from streamt10;
+sql select cc,ta, * from streamt10;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+# row 0
+if $rows < 2 then
+  print ======rows=$rows
+  goto loop10
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != @t12@ then
+  return -1
+endi
+
+if $data03 != @100000.000@ then
+  return -1
+endi
+
+if $data04 != 1 then
+  return -1
+endi
+
+if $data05 != 1 then
+  return -1
+endi
+
+print 3 sql select * from information_schema.ins_tables where stable_name = "streamt10";
+sql select * from information_schema.ins_tables where stable_name = "streamt10";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+print 4 sql select * from information_schema.ins_tables where stable_name = "streamt10" and table_name like "tbn-t1234567890t1_2%";
+sql select * from information_schema.ins_tables where stable_name = "streamt10" and table_name like "tbn-t1234567890t1_2%";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+$loop_count = 0
+loop11:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select cc,ta,* from streamt11;
+sql select cc,ta,* from streamt11;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+# row 0
+if $rows < 1 then
+  print ======rows=$rows
+  goto loop11
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != @t12@ then
+  return -1
+endi
+
+if $data03 != @1@ then
+  return -1
+endi
+
+if $data04 != 1 then
+  return -1
+endi
+
+if $data05 != 1 then
+  return -1
+endi
+
+print 3 sql select * from information_schema.ins_tables where stable_name = "streamt11";
+sql select * from information_schema.ins_tables where stable_name = "streamt11";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+print 4 sql select * from information_schema.ins_tables where stable_name = "streamt11" and table_name like "tbn-t1234567890t1_3%";
+sql select * from information_schema.ins_tables where stable_name = "streamt11" and table_name like "tbn-t1234567890t1_3%";
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows != 1 then
+  return -1
+endi
+
+
 print end
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim b/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim
new file mode 100644
index 0000000000..f983dd3ab5
--- /dev/null
+++ b/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim
@@ -0,0 +1,180 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+
+system sh/cfg.sh -n dnode1 -c checkpointInterval -v 60
+system sh/cfg.sh -n dnode1 -c ratioOfVnodeStreamThreads -v 4
+
+system sh/exec.sh -n dnode1 -s start
+sleep 50
+sql connect
+
+print step1
+print =============== create database
+sql create database test vgroups 1;
+sql use test;
+
+sql create stable st(ts timestamp, a int, b int , c int)tags(ta int,tb int,tc int);
+sql create table t1 using st tags(1,1,1);
+sql create table t2 using st tags(2,2,2);
+
+sql create stream streams1 trigger force_window_close IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt1 as select _wstart, count(a),max(b) from st partition by tbname interval(5s);
+sql create stream streams2 trigger at_once IGNORE EXPIRED 0 IGNORE UPDATE 0 into  streamt2 as select _wstart, count(a), max(b) from st interval(5s);
+sql create stream streams3 trigger force_window_close IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt3 as select _wstart, count(a), twa(b) from st partition by tbname interval(5s) fill(prev);
+sql create stream streams4 trigger force_window_close IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt4 as select _irowts, interp(a), interp(b) from st partition by tbname every(5s) fill(prev);
+
+run tsim/stream/checkTaskStatus.sim
+
+sql insert into t1 values(now +  3000a,1,1,1);
+
+$loop_count = 0
+loop0:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print select * from streamt3;
+sql select * from streamt3;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows == 0 then
+  goto loop0
+endi
+
+
+print select * from streamt4;
+sql select * from streamt4;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows == 0 then
+  goto loop0
+endi
+
+
+sleep 70000
+
+$loop_count = 0
+loop0_1:
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print sql select * from information_schema.ins_stream_tasks where checkpoint_time is null;
+sql select * from information_schema.ins_stream_tasks where checkpoint_time is null;
+
+
+sleep 10000
+
+if $rows > 0 then
+  print wait checkpoint.rows = $rows
+  goto loop0_1
+endi
+
+print restart taosd 01 ......
+
+system sh/stop_dnodes.sh
+
+system sh/exec.sh -n dnode1 -s start
+
+run tsim/stream/checkTaskStatus.sim
+
+print select * from streamt3;
+sql select * from streamt3;
+
+$streamt3_rows = $rows
+print =====streamt3_rows=$streamt3_rows
+
+print select * from streamt4;
+sql select * from streamt4;
+
+$streamt4_rows = $rows
+print =====streamt4_rows=$streamt4_rows
+
+$loop_count = 0
+loop1:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print select * from streamt3;
+sql select * from streamt3;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows <= $streamt3_rows then
+  print =====rows=$rows
+  print =====streamt3_rows=$streamt3_rows
+  goto loop1
+endi
+
+print select * from streamt4;
+sql select * from streamt4;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $rows <= $streamt4_rows then
+  print =====rows=$rows
+  print =====streamt4_rows=$streamt4_rows
+  goto loop1
+endi
+
+sql insert into t1 values(now +  3000a,10,10,10);
+
+$loop_count = 0
+loop2:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print select * from streamt1;
+sql select * from streamt1;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $data02 != 10 then
+  goto loop2
+endi
+
+print end
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT

From 23d67933cdcb3c47047fb0a95b737e561c4e5d97 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 16:52:01 +0800
Subject: [PATCH 08/10] add ci

---
 source/libs/stream/src/streamSliceState.c                 | 6 ++++--
 tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim | 6 +++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/source/libs/stream/src/streamSliceState.c b/source/libs/stream/src/streamSliceState.c
index c23537d018..eefe046878 100644
--- a/source/libs/stream/src/streamSliceState.c
+++ b/source/libs/stream/src/streamSliceState.c
@@ -65,7 +65,8 @@ int32_t getHashSortRowBuff(SStreamFileState* pFileState, const SWinKey* pKey, vo
 
   // recover
   if (taosArrayGetSize(pWinStates) == 0 && needClearDiskBuff(pFileState)) {
-    recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
+    code = recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
+    QUERY_CHECK_CODE(code, lino, _end);
   }
 
   code = addSearchItem(pFileState, pWinStates, pKey);
@@ -222,7 +223,8 @@ int32_t getHashSortPrevRow(SStreamFileState* pFileState, const SWinKey* pKey, SW
   
   // recover
   if (taosArrayGetSize(pWinStates) == 0 && needClearDiskBuff(pFileState)) {
-    recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
+    code = recoverSearchBuff(pFileState, pWinStates, pKey->groupId);
+    QUERY_CHECK_CODE(code, lino, _end);
   }
 
   int32_t size = taosArrayGetSize(pWinStates);
diff --git a/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim b/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim
index f983dd3ab5..26be5018c1 100644
--- a/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim
+++ b/tests/script/tsim/stream/streamTwaInterpFwcCheckpoint.sim
@@ -161,8 +161,8 @@ if $loop_count == 20 then
   return -1
 endi
 
-print select * from streamt1;
-sql select * from streamt1;
+print select * from streamt1 order by 1;
+sql select * from streamt1 order by 1;
 
 print $data00 $data01 $data02 $data03 $data04
 print $data10 $data11 $data12 $data13 $data14
@@ -171,7 +171,7 @@ print $data30 $data31 $data32 $data33 $data34
 print $data40 $data41 $data42 $data43 $data44
 print $data50 $data51 $data52 $data53 $data54
 
-if $data02 != 10 then
+if $data12 != 10 then
   goto loop2
 endi
 

From 9d384bc438c09260ddd66d08f8855234ffdbb7f8 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 18:51:50 +0800
Subject: [PATCH 09/10] fix issue

---
 source/libs/parser/src/parTranslater.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 6facaed78d..0ee8f9be33 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -10931,10 +10931,10 @@ static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStm
 
   if (pSelect->hasInterpFunc) {
     // Temporary code
-    // if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
-    //   return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
-    //                                  "Stream interp function only support force window close");
-    // }
+    if (pStmt->pOptions->triggerType != STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
+      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
+                                     "Stream interp function only support force window close");
+    }
 
     if (pStmt->pOptions->triggerType == STREAM_TRIGGER_FORCE_WINDOW_CLOSE) {
       if (pStmt->pOptions->fillHistory) {

From 1b285f8a1d00ad987febc806ba53d5a79b5d75a2 Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao@163.com>
Date: Wed, 27 Nov 2024 18:52:04 +0800
Subject: [PATCH 10/10] fix issue

---
 source/libs/stream/src/tstreamFileState.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/source/libs/stream/src/tstreamFileState.c b/source/libs/stream/src/tstreamFileState.c
index 8c8aee8c7d..dcabadb8bd 100644
--- a/source/libs/stream/src/tstreamFileState.c
+++ b/source/libs/stream/src/tstreamFileState.c
@@ -991,6 +991,7 @@ int32_t recoverSnapshot(SStreamFileState* pFileState, int64_t ckId) {
     }
 
     winCode = streamStateGetKVByCur_rocksdb(getStateFileStore(pFileState), pCur, pNewPos->pKey, (const void**)&pVal, &vlen);
+    qDebug("===stream=== get state by cur winres:%d. %s", winCode, __func__);
     if (winCode != TSDB_CODE_SUCCESS || pFileState->getTs(pNewPos->pKey) < pFileState->flushMark) {
       destroyRowBuffPos(pNewPos);
       SListNode* pNode = tdListPopTail(pFileState->usedBuffs);
@@ -1007,6 +1008,7 @@ int32_t recoverSnapshot(SStreamFileState* pFileState, int64_t ckId) {
     memcpy(pNewPos->pRowBuff, pVal, vlen);
     taosMemoryFreeClear(pVal);
     pNewPos->beFlushed = true;
+    qDebug("===stream=== read checkpoint state from disc. %s", __func__);
     code = tSimpleHashPut(pFileState->rowStateBuff, pNewPos->pKey, pFileState->keyLen, &pNewPos, POINTER_BYTES);
     if (code != TSDB_CODE_SUCCESS) {
       destroyRowBuffPos(pNewPos);
@@ -1077,6 +1079,7 @@ int32_t recoverFillSnapshot(SStreamFileState* pFileState, int64_t ckId) {
     int32_t      vlen = 0;
     SRowBuffPos* pNewPos = getNewRowPosForWrite(pFileState);
     winRes = streamStateFillGetKVByCur_rocksdb(pCur, pNewPos->pKey, (const void**)&pVal, &vlen);
+    qDebug("===stream=== get state by cur winres:%d. %s", winRes, __func__);
     if (winRes != TSDB_CODE_SUCCESS || isFlushedState(pFileState, pFileState->getTs(pNewPos->pKey), 0)) {
       destroyRowBuffPos(pNewPos);
       SListNode* pNode = tdListPopTail(pFileState->usedBuffs);
@@ -1085,9 +1088,17 @@ int32_t recoverFillSnapshot(SStreamFileState* pFileState, int64_t ckId) {
       break;
     }
 
+    if (vlen != pFileState->rowSize) {
+      qError("row size mismatch, expect:%d, actual:%d", pFileState->rowSize, vlen);
+      code = TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR;
+      taosMemoryFreeClear(pVal);
+      QUERY_CHECK_CODE(code, lino, _end);
+    }
+
     memcpy(pNewPos->pRowBuff, pVal, vlen);
     taosMemoryFreeClear(pVal);
     pNewPos->beFlushed = true;
+    qDebug("===stream=== read checkpoint state from disc. %s", __func__);
     winRes = tSimpleHashPut(pFileState->rowStateBuff, pNewPos->pKey, pFileState->keyLen, &pNewPos, POINTER_BYTES);
     if (winRes != TSDB_CODE_SUCCESS) {
       destroyRowBuffPos(pNewPos);