[TD-6336]<fix> insert into file cause core

src/client/src/tscAsync.c

@@ -168,6 +168,9 @@ static void tscProcessAsyncRetrieveImpl(void *param, TAOS_RES *tres, int numOfRo
     } else {
       pRes->code = numOfRows;
     }
+    if (pRes->code == TSDB_CODE_SUCCESS) {
+      pRes->code = TSDB_CODE_TSC_INVALID_QHANDLE;           
+    }
 
     tscAsyncResultOnError(pSql);
     return;

src/client/src/tscParseInsert.c

@@ -1757,6 +1757,7 @@ static void parseFileSendDataBlock(void *param, TAOS_RES *tres, int32_t numOfRow
       pSql->res.numOfRows = 0;
       code = doPackSendDataBlock(pSql, pInsertParam, pTableMeta, count, pTableDataBlock);
       if (code != TSDB_CODE_SUCCESS) {
+        pParentSql->res.code = code;
         goto _error;
       }
 

src/client/src/tscSubquery.c

@@ -2265,7 +2265,7 @@ void tscFirstRoundCallback(void* param, TAOS_RES* tres, int code) {
 
     destroySup(pSup);
     taos_free_result(pSql);
-    parent->res.code = code;
+    parent->res.code = c;
     tscAsyncResultOnError(parent);
     return;
   }