Merge pull request #18334 from taosdata/fix/TD-20440

fix: crash caused by stream fill

source/common/src/tdatablock.c

@@ -1962,6 +1962,7 @@ char* dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf)
           memset(pBuf, 0, sizeof(pBuf));
           char*   pData = colDataGetVarData(pColInfoData, j);
           int32_t dataSize = TMIN(sizeof(pBuf), varDataLen(pData));
+          dataSize = TMIN(dataSize, 50);
           memcpy(pBuf, varDataVal(pData), dataSize);
           len += snprintf(dumpBuf + len, size - len, " %15s |", pBuf);
           if (len >= size - 1) return dumpBuf;

source/libs/executor/inc/executorimpl.h

@@ -754,6 +754,23 @@ typedef struct SStreamPartitionOperatorInfo {
   SSDataBlock*          pDelRes;
 } SStreamPartitionOperatorInfo;
 
+typedef struct SStreamFillSupporter {
+  int32_t        type;  // fill type
+  SInterval      interval;
+  SResultRowData prev;
+  SResultRowData cur;
+  SResultRowData next;
+  SResultRowData nextNext;
+  SFillColInfo*  pAllColInfo;  // fill exprs and not fill exprs
+  SExprSupp      notFillExprSup;
+  int32_t        numOfAllCols;  // number of all exprs, including the tags columns
+  int32_t        numOfFillCols;
+  int32_t        numOfNotFillCols;
+  int32_t        rowSize;
+  SSHashObj*     pResMap;
+  bool           hasDelete;
+} SStreamFillSupporter;
+
 typedef struct SStreamFillOperatorInfo {
   SStreamFillSupporter* pFillSup;
   SSDataBlock*          pRes;

source/libs/executor/inc/tfill.h

@@ -111,22 +111,6 @@ typedef struct SStreamFillInfo {
   int32_t                delIndex;
 } SStreamFillInfo;
 
-typedef struct SStreamFillSupporter {
-  int32_t        type;  // fill type
-  SInterval      interval;
-  SResultRowData prev;
-  SResultRowData cur;
-  SResultRowData next;
-  SResultRowData nextNext;
-  SFillColInfo*  pAllColInfo;   // fill exprs and not fill exprs
-  int32_t        numOfAllCols;  // number of all exprs, including the tags columns
-  int32_t        numOfFillCols;
-  int32_t        numOfNotFillCols;
-  int32_t        rowSize;
-  SSHashObj*     pResMap;
-  bool           hasDelete;
-} SStreamFillSupporter;
-
 int64_t getNumOfResultsAfterFillGap(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRows);
 
 void                 taosFillSetStartInfo(struct SFillInfo* pFillInfo, int32_t numOfRows, TSKEY endKey);

source/libs/executor/src/executorimpl.c

@@ -2056,6 +2056,8 @@ void destroyExprInfo(SExprInfo* pExpr, int32_t numOfExprs) {
     for (int32_t j = 0; j < pExprInfo->base.numOfParams; ++j) {
       if (pExprInfo->base.pParam[j].type == FUNC_PARAM_TYPE_COLUMN) {
         taosMemoryFreeClear(pExprInfo->base.pParam[j].pCol);
+      } else if (pExprInfo->base.pParam[j].type == FUNC_PARAM_TYPE_VALUE) {
+        taosVariantDestroy(&pExprInfo->base.pParam[j].param);
       }
     }
 

source/libs/executor/src/tfill.c

@@ -709,6 +709,7 @@ void* destroyStreamFillSupporter(SStreamFillSupporter* pFillSup) {
   pFillSup->pResMap = NULL;
   releaseOutputBuf(NULL, NULL, (SResultRow*)pFillSup->cur.pRowVal);
   pFillSup->cur.pRowVal = NULL;
+  cleanupExprSupp(&pFillSup->notFillExprSup);
 
   taosMemoryFree(pFillSup);
   return NULL;
@@ -1417,25 +1418,13 @@ static void doApplyStreamScalarCalculation(SOperatorInfo* pOperator, SSDataBlock
   blockDataEnsureCapacity(pDstBlock, pSrcBlock->info.rows);
   setInputDataBlock(pSup, pSrcBlock, TSDB_ORDER_ASC, MAIN_SCAN, false);
   projectApplyFunctions(pSup->pExprInfo, pDstBlock, pSrcBlock, pSup->pCtx, pSup->numOfExprs, NULL);
-  pDstBlock->info.groupId = pSrcBlock->info.groupId;
-
-  SColumnInfoData* pDst = taosArrayGet(pDstBlock->pDataBlock, pInfo->primaryTsCol);
-  SColumnInfoData* pSrc = taosArrayGet(pSrcBlock->pDataBlock, pInfo->primarySrcSlotId);
-  colDataAssign(pDst, pSrc, pDstBlock->info.rows, &pDstBlock->info);
 
-  int32_t numOfNotFill = pInfo->pFillSup->numOfAllCols - pInfo->pFillSup->numOfFillCols;
-  for (int32_t i = 0; i < numOfNotFill; ++i) {
-    SFillColInfo* pCol = &pInfo->pFillSup->pAllColInfo[i + pInfo->pFillSup->numOfFillCols];
-    ASSERT(pCol->notFillCol);
-
-    SExprInfo* pExpr = pCol->pExpr;
-    int32_t    srcSlotId = pExpr->base.pParam[0].pCol->slotId;
-    int32_t    dstSlotId = pExpr->base.resSchema.slotId;
+  pDstBlock->info.rows = 0;
+  pSup = &pInfo->pFillSup->notFillExprSup;
+  setInputDataBlock(pSup, pSrcBlock, TSDB_ORDER_ASC, MAIN_SCAN, false);
+  projectApplyFunctions(pSup->pExprInfo, pDstBlock, pSrcBlock, pSup->pCtx, pSup->numOfExprs, NULL);
+  pDstBlock->info.groupId = pSrcBlock->info.groupId;
 
-    SColumnInfoData* pDst1 = taosArrayGet(pDstBlock->pDataBlock, dstSlotId);
-    SColumnInfoData* pSrc1 = taosArrayGet(pSrcBlock->pDataBlock, srcSlotId);
-    colDataAssign(pDst1, pSrc1, pDstBlock->info.rows, &pDstBlock->info);
-  }
   blockDataUpdateTsWindow(pDstBlock, pInfo->primaryTsCol);
 }
 
@@ -1577,6 +1566,14 @@ static SStreamFillSupporter* initStreamFillSup(SStreamFillPhysiNode* pPhyFillNod
     destroyStreamFillSupporter(pFillSup);
     return NULL;
   }
+  
+  SExprInfo* noFillExpr = createExprInfo(pPhyFillNode->pNotFillExprs, NULL, &numOfNotFillCols);
+  code = initExprSupp(&pFillSup->notFillExprSup, noFillExpr, numOfNotFillCols);
+  if (code != TSDB_CODE_SUCCESS) {
+    destroyStreamFillSupporter(pFillSup);
+    return NULL;
+  }
+
   _hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);
   pFillSup->pResMap = tSimpleHashInit(16, hashFn);
   pFillSup->hasDelete = false;