fix(query): fix memory leak.

source/libs/executor/src/executor.c

@@ -480,6 +480,7 @@ int32_t qExecTaskOpt(qTaskInfo_t tinfo, SArray* pResList, uint64_t* useconds) {
   if (ret != TSDB_CODE_SUCCESS) {
     pTaskInfo->code = ret;
     cleanUpUdfs();
+
     qDebug("%s task abort due to error/cancel occurs, code:%s", GET_TASKID(pTaskInfo), tstrerror(pTaskInfo->code));
     atomic_store_64(&pTaskInfo->owner, 0);
 
@@ -512,8 +513,8 @@ int32_t qExecTaskOpt(qTaskInfo_t tinfo, SArray* pResList, uint64_t* useconds) {
   }
 
   cleanUpUdfs();
-  uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;
 
+  uint64_t total = pTaskInfo->pRoot->resultInfo.totalRows;
   qDebug("%s task suspended, %d rows in %d blocks returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
          GET_TASKID(pTaskInfo), current, (int32_t)taosArrayGetSize(pResList), total, 0, el / 1000.0);
 

source/libs/qworker/src/qworker.c

@@ -9,6 +9,7 @@
 #include "tcommon.h"
 #include "tmsg.h"
 #include "tname.h"
+#include "tdatablock.h"
 
 SQWorkerMgmt gQwMgmt = {
     .lock = 0,
@@ -16,6 +17,11 @@ SQWorkerMgmt gQwMgmt = {
     .qwNum = 0,
 };
 
+static void freeBlock(void* param) {
+  SSDataBlock* pBlock = *(SSDataBlock**)param;
+  blockDataDestroy(pBlock);
+}
+
 int32_t qwProcessHbLinkBroken(SQWorker *mgmt, SQWMsg *qwMsg, SSchedulerHbReq *req) {
   int32_t         code = 0;
   SSchedulerHbRsp rsp = {0};
@@ -71,7 +77,7 @@ int32_t qwHandleTaskComplete(QW_FPARAMS_DEF, SQWTaskCtx *ctx) {
 
   return TSDB_CODE_SUCCESS;
 }
-
+\
 int32_t qwExecTask(QW_FPARAMS_DEF, SQWTaskCtx *ctx, bool *queryStop) {
   int32_t        code = 0;
   bool           qcontinue = true;
@@ -88,6 +94,7 @@ int32_t qwExecTask(QW_FPARAMS_DEF, SQWTaskCtx *ctx, bool *queryStop) {
     // if *taskHandle is NULL, it's killed right now
     if (taskHandle) {
       qwDbgSimulateSleep();
+
       code = qExecTaskOpt(taskHandle, pResList, &useconds);
       if (code) {
         if (code != TSDB_CODE_OPS_NOT_SUPPORT) {
@@ -150,8 +157,7 @@ int32_t qwExecTask(QW_FPARAMS_DEF, SQWTaskCtx *ctx, bool *queryStop) {
   }
 
 _return:
-
-  taosArrayDestroy(pResList);
+  taosArrayDestroyEx(pResList, freeBlock);
   QW_RET(code);
 }
 
@@ -915,13 +921,13 @@ void qwProcessHbTimerEvent(void *param, void *tmrId) {
 
   void *pIter = taosHashIterate(mgmt->schHash, NULL);
   while (pIter) {
-    SQWSchStatus *sch = (SQWSchStatus *)pIter;
-    if (NULL == sch->hbConnInfo.handle) {
+    SQWSchStatus *sch1 = (SQWSchStatus *)pIter;
+    if (NULL == sch1->hbConnInfo.handle) {
       uint64_t *sId = taosHashGetKey(pIter, NULL);
       QW_TLOG("cancel send hb to sch %" PRIx64 " cause of no connection handle", *sId);
 
-      if (sch->hbBrokenTs > 0 && ((currentMs - sch->hbBrokenTs) > QW_SCH_TIMEOUT_MSEC) &&
-          taosHashGetSize(sch->tasksHash) <= 0) {
+      if (sch1->hbBrokenTs > 0 && ((currentMs - sch1->hbBrokenTs) > QW_SCH_TIMEOUT_MSEC) &&
+          taosHashGetSize(sch1->tasksHash) <= 0) {
         taosArrayPush(pExpiredSch, sId);
       }