fix(query): fix some memory leaks.

source/dnode/vnode/src/tsdb/tsdbRead.c

@@ -361,11 +361,17 @@ static void resetAllDataBlockScanInfo(SHashObj* pTableMap, int64_t ts) {
     STableBlockScanInfo* pInfo = *(STableBlockScanInfo**)p;
 
     pInfo->iterInit = false;
+    pInfo->iter.hasVal = false;
     pInfo->iiter.hasVal = false;
+
     if (pInfo->iter.iter != NULL) {
       pInfo->iter.iter = tsdbTbDataIterDestroy(pInfo->iter.iter);
     }
 
+    if (pInfo->iiter.iter != NULL) {
+      pInfo->iiter.iter = tsdbTbDataIterDestroy(pInfo->iiter.iter);
+    }
+
     pInfo->delSkyline = taosArrayDestroy(pInfo->delSkyline);
     pInfo->lastKey = ts;
   }
@@ -373,6 +379,8 @@ static void resetAllDataBlockScanInfo(SHashObj* pTableMap, int64_t ts) {
 
 static void clearBlockScanInfo(STableBlockScanInfo* p) {
   p->iterInit = false;
+
+  p->iter.hasVal = false;
   p->iiter.hasVal = false;
 
   if (p->iter.iter != NULL) {
@@ -388,9 +396,9 @@ static void clearBlockScanInfo(STableBlockScanInfo* p) {
   tMapDataClear(&p->mapData);
 }
 
-static void destroyAllBlockScanInfo(SHashObj* pTableMap, bool clearEntry) {
+static void destroyAllBlockScanInfo(SHashObj* pTableMap) {
   void* p = NULL;
-  while (clearEntry && ((p = taosHashIterate(pTableMap, p)) != NULL)) {
+  while ((p = taosHashIterate(pTableMap, p)) != NULL) {
     clearBlockScanInfo(*(STableBlockScanInfo**)p);
   }
 
@@ -2226,6 +2234,7 @@ static int32_t initMemDataIterator(STableBlockScanInfo* pBlockScanInfo, STsdbRea
   if (pReader->pReadSnap->pMem != NULL) {
     d = tsdbGetTbDataFromMemTable(pReader->pReadSnap->pMem, pReader->suid, pBlockScanInfo->uid);
     if (d != NULL) {
+      ASSERT(pBlockScanInfo->iter.iter == NULL);
       code = tsdbTbDataIterCreate(d, &startKey, backward, &pBlockScanInfo->iter.iter);
       if (code == TSDB_CODE_SUCCESS) {
         pBlockScanInfo->iter.hasVal = (tsdbTbDataIterGet(pBlockScanInfo->iter.iter) != NULL);
@@ -3789,9 +3798,7 @@ int32_t tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, void* pTableL
     updateBlockSMAInfo(pReader->pSchema, &pReader->suppInfo);
   }
 
-  STsdbReader* p = pReader->innerReader[0] != NULL ? pReader->innerReader[0] : pReader;
-
-  pReader->status.pTableMap = createDataBlockScanInfo(p, pTableList, numOfTables);
+  pReader->status.pTableMap = createDataBlockScanInfo(pReader, pTableList, numOfTables);
   if (pReader->status.pTableMap == NULL) {
     tsdbReaderClose(pReader);
     *ppReader = NULL;
@@ -3849,7 +3856,7 @@ void tsdbReaderClose(STsdbReader* pReader) {
   }
 
   {
-    if (pReader->innerReader[0] != NULL) {
+    if (pReader->innerReader[0] != NULL || pReader->innerReader[1] != NULL) {
       STsdbReader* p = pReader->innerReader[0];
 
       p->status.pTableMap = NULL;
@@ -3887,9 +3894,12 @@ void tsdbReaderClose(STsdbReader* pReader) {
   cleanupDataBlockIterator(&pReader->status.blockIter);
 
   size_t numOfTables = taosHashGetSize(pReader->status.pTableMap);
-  destroyAllBlockScanInfo(pReader->status.pTableMap, (pReader->innerReader[0] == NULL) ? true : false);
+  if (pReader->status.pTableMap != NULL) {
+    destroyAllBlockScanInfo(pReader->status.pTableMap);
+    clearBlockScanInfoBuf(&pReader->blockInfoBuf);
+  }
+
   blockDataDestroy(pReader->pResBlock);
-  clearBlockScanInfoBuf(&pReader->blockInfoBuf);
 
   if (pReader->pFileReader != NULL) {
     tsdbDataFReaderClose(&pReader->pFileReader);

source/libs/executor/src/cachescanoperator.c

@@ -246,6 +246,7 @@ void destroyLastrowScanOperator(void* param) {
     pInfo->pLastrowReader = tsdbCacherowsReaderClose(pInfo->pLastrowReader);
   }
 
+  cleanupExprSupp(&pInfo->pseudoExprSup);
   taosMemoryFreeClear(param);
 }
 

source/libs/executor/src/executorimpl.c

@@ -20,7 +20,6 @@
 #include "querynodes.h"
 #include "tfill.h"
 #include "tname.h"
-#include "tref.h"
 
 #include "tdatablock.h"
 #include "tglobal.h"
@@ -134,45 +133,6 @@ static int32_t doCopyToSDataBlock(SExecTaskInfo* pTaskInfo, SSDataBlock* pBlock,
 static void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size);
 static void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, int32_t numOfOutput, uint64_t groupId);
 
-#if 0
-static bool chkResultRowFromKey(STaskRuntimeEnv* pRuntimeEnv, SResultRowInfo* pResultRowInfo, char* pData,
-                                int16_t bytes, bool masterscan, uint64_t uid) {
-  bool existed = false;
-  SET_RES_WINDOW_KEY(pRuntimeEnv->keyBuf, pData, bytes, uid);
-
-  SResultRow** p1 =
-      (SResultRow**)taosHashGet(pRuntimeEnv->pResultRowHashTable, pRuntimeEnv->keyBuf, GET_RES_WINDOW_KEY_LEN(bytes));
-
-  // in case of repeat scan/reverse scan, no new time window added.
-  if (QUERY_IS_INTERVAL_QUERY(pRuntimeEnv->pQueryAttr)) {
-    if (!masterscan) {  // the *p1 may be NULL in case of sliding+offset exists.
-      return p1 != NULL;
-    }
-
-    if (p1 != NULL) {
-      if (pResultRowInfo->size == 0) {
-        existed = false;
-      } else if (pResultRowInfo->size == 1) {
-        //        existed = (pResultRowInfo->pResult[0] == (*p1));
-      } else {  // check if current pResultRowInfo contains the existed pResultRow
-        SET_RES_EXT_WINDOW_KEY(pRuntimeEnv->keyBuf, pData, bytes, uid, pResultRowInfo);
-        int64_t* index =
-            taosHashGet(pRuntimeEnv->pResultRowListSet, pRuntimeEnv->keyBuf, GET_RES_EXT_WINDOW_KEY_LEN(bytes));
-        if (index != NULL) {
-          existed = true;
-        } else {
-          existed = false;
-        }
-      }
-    }
-
-    return existed;
-  }
-
-  return p1 != NULL;
-}
-#endif
-
 SResultRow* getNewResultRow(SDiskbasedBuf* pResultBuf, int32_t* currentPageId, int32_t interBufSize) {
   SFilePage* pData = NULL;