fix: memory leak issue

include/libs/executor/dataSinkMgt.h

@@ -59,7 +59,7 @@ typedef struct SDataSinkMgtCfg {
   uint32_t maxDataBlockNumPerQuery;
 } SDataSinkMgtCfg;
 
-int32_t dsDataSinkMgtInit(SDataSinkMgtCfg* cfg, SStorageAPI* pAPI);
+int32_t dsDataSinkMgtInit(SDataSinkMgtCfg* cfg, SStorageAPI* pAPI, void** ppSinkManager);
 
 typedef struct SInputData {
   const struct SSDataBlock* pData;
@@ -83,7 +83,7 @@ typedef struct SOutputData {
  * @param pHandle output
  * @return error code
  */
-int32_t dsCreateDataSinker(const SDataSinkNode* pDataSink, DataSinkHandle* pHandle, void* pParam, const char* id);
+int32_t dsCreateDataSinker(void* pSinkManager, const SDataSinkNode* pDataSink, DataSinkHandle* pHandle, void* pParam, const char* id);
 
 int32_t dsDataSinkGetCacheSize(SDataSinkStat* pStat);
 

source/libs/executor/src/dataDeleter.c

@@ -281,6 +281,8 @@ _end:
   if (deleter != NULL) {
     destroyDataSinker((SDataSinkHandle*)deleter);
     taosMemoryFree(deleter);
+  } else {
+    taosMemoryFree(pManager);
   }
   return code;
 }

source/libs/executor/src/dataDispatcher.c

@@ -241,7 +241,7 @@ int32_t createDataDispatcher(SDataSinkManager* pManager, const SDataSinkNode* pD
   SDataDispatchHandle* dispatcher = taosMemoryCalloc(1, sizeof(SDataDispatchHandle));
   if (NULL == dispatcher) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return TSDB_CODE_OUT_OF_MEMORY;
+    goto _return;
   }
   dispatcher->sink.fPut = putDataBlock;
   dispatcher->sink.fEndPut = endPut;
@@ -258,8 +258,13 @@ int32_t createDataDispatcher(SDataSinkManager* pManager, const SDataSinkNode* pD
   if (NULL == dispatcher->pDataBlocks) {
     taosMemoryFree(dispatcher);
     terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return TSDB_CODE_OUT_OF_MEMORY;
+    goto _return;
   }
   *pHandle = dispatcher;
   return TSDB_CODE_SUCCESS;
+
+_return:
+
+  taosMemoryFree(pManager);
+  return terrno;
 }

source/libs/executor/src/dataInserter.c

@@ -413,7 +413,7 @@ int32_t createDataInserter(SDataSinkManager* pManager, const SDataSinkNode* pDat
   if (NULL == inserter) {
     taosMemoryFree(pParam);
     terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return TSDB_CODE_OUT_OF_MEMORY;
+    goto _return;
   }
 
   SQueryInserterNode* pInserterNode = (SQueryInserterNode*)pDataSink;
@@ -433,23 +433,18 @@ int32_t createDataInserter(SDataSinkManager* pManager, const SDataSinkNode* pDat
   int64_t suid = 0;
   int32_t code = pManager->pAPI->metaFn.getTableSchema(inserter->pParam->readHandle->vnode, pInserterNode->tableId, &inserter->pSchema, &suid);
   if (code) {
-    destroyDataSinker((SDataSinkHandle*)inserter);
+    terrno = code;
-    taosMemoryFree(inserter);
+    goto _return;
-    return code;
   }
 
   if (pInserterNode->stableId != suid) {
-    destroyDataSinker((SDataSinkHandle*)inserter);
-    taosMemoryFree(inserter);
     terrno = TSDB_CODE_TDB_INVALID_TABLE_ID;
-    return terrno;
+    goto _return;
   }
 
   inserter->pDataBlocks = taosArrayInit(1, POINTER_BYTES);
   taosThreadMutexInit(&inserter->mutex, NULL);
   if (NULL == inserter->pDataBlocks) {
-    destroyDataSinker((SDataSinkHandle*)inserter);
-    taosMemoryFree(inserter);
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return TSDB_CODE_OUT_OF_MEMORY;
   }
@@ -473,4 +468,15 @@ int32_t createDataInserter(SDataSinkManager* pManager, const SDataSinkNode* pDat
 
   *pHandle = inserter;
   return TSDB_CODE_SUCCESS;
+
+_return:
+
+  if (inserter) {
+    destroyDataSinker((SDataSinkHandle*)inserter);
+    taosMemoryFree(inserter);
+  } else {
+    taosMemoryFree(pManager);
+  }
+  
+  return terrno;  
 }

source/libs/executor/src/dataSinkMgt.c

@@ -49,8 +49,11 @@ int32_t dsCreateDataSinker(void* pSinkManager, const SDataSinkNode* pDataSink, D
     case QUERY_NODE_PHYSICAL_PLAN_QUERY_INSERT: {
       return createDataInserter(pManager, pDataSink, pHandle, pParam);
     }
+    default:
+      break;
   }
 
+  taosMemoryFree(pSinkManager);
   qError("invalid input node type:%d, %s", nodeType(pDataSink), id);
   return TSDB_CODE_QRY_INVALID_INPUT;
 }

source/libs/executor/src/executor.c

@@ -511,19 +511,20 @@ int32_t qCreateExecTask(SReadHandle* readHandle, int32_t vgId, uint64_t taskId,
     goto _error;
   }
 
-  SDataSinkMgtCfg cfg = {.maxDataBlockNum = 500, .maxDataBlockNumPerQuery = 50};
-  void* pSinkManager = NULL;
-  code = dsDataSinkMgtInit(&cfg, &(*pTask)->storageAPI, &pSinkManager);
-  if (code != TSDB_CODE_SUCCESS) {
-    qError("failed to dsDataSinkMgtInit, code:%s, %s", tstrerror(code), (*pTask)->id.str);
-    goto _error;
-  }
-
   if (handle) {
+    SDataSinkMgtCfg cfg = {.maxDataBlockNum = 500, .maxDataBlockNumPerQuery = 50};
+    void* pSinkManager = NULL;
+    code = dsDataSinkMgtInit(&cfg, &(*pTask)->storageAPI, &pSinkManager);
+    if (code != TSDB_CODE_SUCCESS) {
+      qError("failed to dsDataSinkMgtInit, code:%s, %s", tstrerror(code), (*pTask)->id.str);
+      goto _error;
+    }
+
     void* pSinkParam = NULL;
     code = createDataSinkParam(pSubplan->pDataSink, &pSinkParam, (*pTask), readHandle);
     if (code != TSDB_CODE_SUCCESS) {
       qError("failed to createDataSinkParam, vgId:%d, code:%s, %s", vgId, tstrerror(code), (*pTask)->id.str);
+      taosMemoryFree(pSinkManager);
       goto _error;
     }