diff --git a/examples/c/CMakeLists.txt b/examples/c/CMakeLists.txt
index 4a9007acec..9d06dbac6d 100644
--- a/examples/c/CMakeLists.txt
+++ b/examples/c/CMakeLists.txt
@@ -13,9 +13,15 @@ IF (TD_LINUX)
   #TARGET_LINK_LIBRARIES(epoll taos_static trpc tutil pthread lua)
 
   add_executable(tmq "")
+  add_executable(tmq_taosx "")
   add_executable(stream_demo "")
   add_executable(demoapi "")
 
+  target_sources(tmq_taosx
+      PRIVATE
+      "tmq_taosx.c"
+      )
+
   target_sources(tmq
       PRIVATE
       "tmq.c"
@@ -35,6 +41,10 @@ IF (TD_LINUX)
       taos_static
       )
 
+  target_link_libraries(tmq_taosx
+      taos_static
+      )
+
   target_link_libraries(stream_demo
       taos_static
       )
@@ -47,6 +57,10 @@ IF (TD_LINUX)
       PUBLIC "${TD_SOURCE_DIR}/include/os"
       PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
       )
+  target_include_directories(tmq_taosx
+      PUBLIC "${TD_SOURCE_DIR}/include/os"
+      PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+      )
 
   target_include_directories(stream_demo
       PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
@@ -59,6 +73,7 @@ IF (TD_LINUX)
       )
 
   SET_TARGET_PROPERTIES(tmq PROPERTIES OUTPUT_NAME tmq)
+  SET_TARGET_PROPERTIES(tmq_taosx PROPERTIES OUTPUT_NAME tmq_taosx)
   SET_TARGET_PROPERTIES(stream_demo PROPERTIES OUTPUT_NAME stream_demo)
   SET_TARGET_PROPERTIES(demoapi PROPERTIES OUTPUT_NAME demoapi)
 ENDIF ()
diff --git a/examples/c/tmq.c b/examples/c/tmq.c
index 7e9a24ff1f..1d2b26624b 100644
--- a/examples/c/tmq.c
+++ b/examples/c/tmq.c
@@ -302,7 +302,7 @@ int32_t create_topic() {
   }
   taos_free_result(pRes);
 
-  /*pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");*/
+//  pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");
   pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from st1");
   if (taos_errno(pRes) != 0) {
     printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
diff --git a/examples/c/tmq_taosx.c b/examples/c/tmq_taosx.c
new file mode 100644
index 0000000000..13f3b18e64
--- /dev/null
+++ b/examples/c/tmq_taosx.c
@@ -0,0 +1,459 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "taos.h"
+
+static int  running = 1;
+
+static TAOS* use_db(){
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  if (pConn == NULL) {
+    return NULL;
+  }
+
+  TAOS_RES* pRes = taos_query(pConn, "use db_taosx");
+  if (taos_errno(pRes) != 0) {
+    printf("error in use db_taosx, reason:%s\n", taos_errstr(pRes));
+    return NULL;
+  }
+  taos_free_result(pRes);
+  return pConn;
+}
+
+static void msg_process(TAOS_RES* msg) {
+  /*memset(buf, 0, 1024);*/
+  printf("-----------topic-------------: %s\n", tmq_get_topic_name(msg));
+  printf("db: %s\n", tmq_get_db_name(msg));
+  printf("vg: %d\n", tmq_get_vgroup_id(msg));
+  TAOS *pConn = use_db();
+  if (tmq_get_res_type(msg) == TMQ_RES_TABLE_META) {
+    char* result = tmq_get_json_meta(msg);
+    if (result) {
+      printf("meta result: %s\n", result);
+    }
+    tmq_free_json_meta(result);
+
+
+    tmq_raw_data raw = {0};
+    tmq_get_raw_meta(msg, &raw);
+    int32_t ret = taos_write_raw_meta(pConn, raw);
+    printf("write raw meta: %s\n", tmq_err2str(ret));
+  }
+
+  if(tmq_get_res_type(msg) == TMQ_RES_DATA){
+    int32_t ret =taos_write_raw_data(pConn, msg);
+    printf("write raw data: %s\n", tmq_err2str(ret));
+  }
+  taos_close(pConn);
+}
+
+int32_t init_env() {
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  if (pConn == NULL) {
+    return -1;
+  }
+
+  TAOS_RES* pRes = taos_query(pConn, "drop database if exists db_taosx");
+  if (taos_errno(pRes) != 0) {
+    printf("error in drop db_taosx, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create database if not exists db_taosx vgroups 4");
+  if (taos_errno(pRes) != 0) {
+    printf("error in create db_taosx, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "drop database if exists abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("error in drop db, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create database if not exists abc1 vgroups 3");
+  if (taos_errno(pRes) != 0) {
+    printf("error in create db, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "use abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("error in use db, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn,
+                    "create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(16)) tags(t1 int, t3 "
+                    "nchar(8), t4 bool)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table if not exists ct0 using st1 tags(1000, \"ttt\", true)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create child table tu1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "insert into ct0 values(now, 1, 2, 'a')");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to insert into ct0, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table if not exists ct1 using st1(t1) tags(2000)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create child table ct1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table if not exists ct2 using st1(t1) tags(NULL)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create child table ct2, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "insert into ct1 values(now, 3, 4, 'b')");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to insert into ct1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table if not exists ct3 using st1(t1) tags(3000)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create child table ct3, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "insert into ct3 values(now, 5, 6, 'c') ct1 values(now+1s, 2, 3, 'sds') (now+2s, 4, 5, 'ddd') ct0 values(now+1s, 4, 3, 'hwj') ct1 values(now+5s, 23, 32, 's21ds')");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to insert into ct3, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table st1 add column c4 bigint");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table st1 modify column c3 binary(64)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "insert into ct3 values(now+7s, 53, 63, 'cffffffffffffffffffffffffffff', 8989898899999) (now+9s, 51, 62, 'c333', 940)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to insert into ct3, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table st1 add tag t2 binary(64)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table ct3 set tag t1=5000");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to slter child table ct3, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+//  pRes = taos_query(pConn, "drop table ct3 ct1");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to drop child table ct3, reason:%s\n", taos_errstr(pRes));
+//    return -1;
+//  }
+//  taos_free_result(pRes);
+//
+//  pRes = taos_query(pConn, "drop table st1");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to drop super table st1, reason:%s\n", taos_errstr(pRes));
+//    return -1;
+//  }
+//  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table if not exists n1(ts timestamp, c1 int, c2 nchar(4))");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table n1 add column c3 bigint");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table n1 modify column c2 nchar(8)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table n1 rename column c3 cc3");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table n1 comment 'hello'");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "alter table n1 drop column c1");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "insert into n1 values(now, 'eeee', 8989898899999) (now+9s, 'c333', 940)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to insert into n1, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+//  pRes = taos_query(pConn, "drop table n1");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to drop normal table n1, reason:%s\n", taos_errstr(pRes));
+//    return -1;
+//  }
+//  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table jt(ts timestamp, i int) tags(t json)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create super table jt, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table jt1 using jt tags('{\"k1\":1, \"k2\":\"hello\"}')");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create super table jt, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table jt2 using jt tags('')");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create super table jt2, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+//  pRes = taos_query(pConn,
+//                    "create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(16)) tags(t1 int, t3 "
+//                    "nchar(8), t4 bool)");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
+//    return -1;
+//  }
+//  taos_free_result(pRes);
+//
+//  pRes = taos_query(pConn, "drop table st1");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to drop super table st1, reason:%s\n", taos_errstr(pRes));
+//    return -1;
+//  }
+//  taos_free_result(pRes);
+
+  taos_close(pConn);
+  return 0;
+}
+
+int32_t create_topic() {
+  printf("create topic\n");
+  TAOS_RES* pRes;
+  TAOS*     pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  if (pConn == NULL) {
+    return -1;
+  }
+
+  pRes = taos_query(pConn, "use abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("error in use db, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
+    return -1;
+  }
+  taos_free_result(pRes);
+
+  taos_close(pConn);
+  return 0;
+}
+
+void tmq_commit_cb_print(tmq_t* tmq, int32_t code, void* param) {
+  printf("commit %d tmq %p param %p\n", code, tmq, param);
+}
+
+tmq_t* build_consumer() {
+#if 0
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  assert(pConn != NULL);
+
+  TAOS_RES* pRes = taos_query(pConn, "use abc1");
+  if (taos_errno(pRes) != 0) {
+    printf("error in use db, reason:%s\n", taos_errstr(pRes));
+  }
+  taos_free_result(pRes);
+#endif
+
+  tmq_conf_t* conf = tmq_conf_new();
+  tmq_conf_set(conf, "group.id", "tg2");
+  tmq_conf_set(conf, "client.id", "my app 1");
+  tmq_conf_set(conf, "td.connect.user", "root");
+  tmq_conf_set(conf, "td.connect.pass", "taosdata");
+  tmq_conf_set(conf, "msg.with.table.name", "true");
+  tmq_conf_set(conf, "enable.auto.commit", "true");
+
+  /*tmq_conf_set(conf, "experimental.snapshot.enable", "true");*/
+
+  tmq_conf_set_auto_commit_cb(conf, tmq_commit_cb_print, NULL);
+  tmq_t* tmq = tmq_consumer_new(conf, NULL, 0);
+  assert(tmq);
+  tmq_conf_destroy(conf);
+  return tmq;
+}
+
+tmq_list_t* build_topic_list() {
+  tmq_list_t* topic_list = tmq_list_new();
+  tmq_list_append(topic_list, "topic_ctb_column");
+  /*tmq_list_append(topic_list, "tmq_test_db_multi_insert_topic");*/
+  return topic_list;
+}
+
+void basic_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
+  int32_t code;
+
+  if ((code = tmq_subscribe(tmq, topics))) {
+    fprintf(stderr, "%% Failed to start consuming topics: %s\n", tmq_err2str(code));
+    printf("subscribe err\n");
+    return;
+  }
+  int32_t cnt = 0;
+  while (running) {
+    TAOS_RES* tmqmessage = tmq_consumer_poll(tmq, -1);
+    if (tmqmessage) {
+      cnt++;
+      msg_process(tmqmessage);
+      /*if (cnt >= 2) break;*/
+      /*printf("get data\n");*/
+      taos_free_result(tmqmessage);
+      /*} else {*/
+      /*break;*/
+      /*tmq_commit_sync(tmq, NULL);*/
+    }
+  }
+
+  code = tmq_consumer_close(tmq);
+  if (code)
+    fprintf(stderr, "%% Failed to close consumer: %s\n", tmq_err2str(code));
+  else
+    fprintf(stderr, "%% Consumer closed\n");
+}
+
+void sync_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
+  static const int MIN_COMMIT_COUNT = 1;
+
+  int     msg_count = 0;
+  int32_t code;
+
+  if ((code = tmq_subscribe(tmq, topics))) {
+    fprintf(stderr, "%% Failed to start consuming topics: %s\n", tmq_err2str(code));
+    return;
+  }
+
+  tmq_list_t* subList = NULL;
+  tmq_subscription(tmq, &subList);
+  char**  subTopics = tmq_list_to_c_array(subList);
+  int32_t sz = tmq_list_get_size(subList);
+  printf("subscribed topics: ");
+  for (int32_t i = 0; i < sz; i++) {
+    printf("%s, ", subTopics[i]);
+  }
+  printf("\n");
+  tmq_list_destroy(subList);
+
+  while (running) {
+    TAOS_RES* tmqmessage = tmq_consumer_poll(tmq, 1000);
+    if (tmqmessage) {
+      msg_process(tmqmessage);
+      taos_free_result(tmqmessage);
+
+      /*tmq_commit_sync(tmq, NULL);*/
+      /*if ((++msg_count % MIN_COMMIT_COUNT) == 0) tmq_commit(tmq, NULL, 0);*/
+    }
+  }
+
+  code = tmq_consumer_close(tmq);
+  if (code)
+    fprintf(stderr, "%% Failed to close consumer: %s\n", tmq_err2str(code));
+  else
+    fprintf(stderr, "%% Consumer closed\n");
+}
+
+int main(int argc, char* argv[]) {
+  printf("env init\n");
+  if (init_env() < 0) {
+    return -1;
+  }
+  create_topic();
+
+  tmq_t*      tmq = build_consumer();
+  tmq_list_t* topic_list = build_topic_list();
+  basic_consume_loop(tmq, topic_list);
+  /*sync_consume_loop(tmq, topic_list);*/
+}
diff --git a/include/client/taos.h b/include/client/taos.h
index f8af010aa6..5f147bb07c 100644
--- a/include/client/taos.h
+++ b/include/client/taos.h
@@ -270,6 +270,7 @@ typedef enum tmq_res_t tmq_res_t;
 DLL_EXPORT tmq_res_t     tmq_get_res_type(TAOS_RES *res);
 DLL_EXPORT int32_t       tmq_get_raw_meta(TAOS_RES *res, tmq_raw_data *raw_meta);
 DLL_EXPORT int32_t       taos_write_raw_meta(TAOS *taos, tmq_raw_data raw_meta);
+DLL_EXPORT int32_t       taos_write_raw_data(TAOS *taos, TAOS_RES *res);
 DLL_EXPORT char         *tmq_get_json_meta(TAOS_RES *res);   // Returning null means error. Returned result need to be freed by tmq_free_json_meta
 DLL_EXPORT void          tmq_free_json_meta(char* jsonMeta);
 DLL_EXPORT const char   *tmq_get_topic_name(TAOS_RES *res);
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 45be3a8507..ee19969e50 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1977,6 +1977,7 @@ typedef struct SVCreateTbReq {
   union {
     struct {
       char*    name;  // super table name
+      uint8_t tagNum;
       tb_uid_t suid;
       SArray*  tagName;
       uint8_t* pTag;
diff --git a/source/client/src/clientEnv.c b/source/client/src/clientEnv.c
index 5b96729503..893aa39ce3 100644
--- a/source/client/src/clientEnv.c
+++ b/source/client/src/clientEnv.c
@@ -244,6 +244,7 @@ void *createRequest(uint64_t connId, int32_t type) {
 
   STscObj *pTscObj = acquireTscObj(connId);
   if (pTscObj == NULL) {
+    taosMemoryFree(pRequest);
     terrno = TSDB_CODE_TSC_DISCONNECTED;
     return NULL;
   }
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 7093e14982..dbe1d9d4a4 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -834,7 +834,7 @@ void schedulerExecCb(SExecResult* pResult, void* param, int32_t code) {
            tstrerror(code), pRequest->requestId);
 
   STscObj* pTscObj = pRequest->pTscObj;
-  if (code != TSDB_CODE_SUCCESS && NEED_CLIENT_HANDLE_ERROR(code)) {
+  if (code != TSDB_CODE_SUCCESS && NEED_CLIENT_HANDLE_ERROR(code) && pRequest->sqlstr != NULL) {
     tscDebug("0x%" PRIx64 " client retry to handle the error, code:%d - %s, tryCount:%d, reqId:0x%" PRIx64,
              pRequest->self, code, tstrerror(code), pRequest->retry, pRequest->requestId);
     pRequest->prevCode = code;
diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index ca45202547..bb42e47642 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -1489,7 +1489,7 @@ static SSmlHandle* smlBuildSmlInfo(STscObj* pTscObj, SRequestObj* request, SMLPr
   }
   info->id = smlGenId();
 
-  info->pQuery = (SQuery *)taosMemoryCalloc(1, sizeof(SQuery));
+  info->pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
   if (NULL == info->pQuery) {
     uError("SML:0x%" PRIx64 " create info->pQuery error", info->id);
     goto cleanup;
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index 4c29adcdc0..74d5d4270b 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -2128,7 +2128,7 @@ _err:
   return string;
 }
 
-static char* buildCreateCTableJson(STag* pTag, char* sname, char* name, SArray* tagName, int64_t id) {
+static char* buildCreateCTableJson(STag* pTag, char* sname, char* name, SArray* tagName, int64_t id, uint8_t tagNum) {
   char*   string = NULL;
   SArray* pTagVals = NULL;
   cJSON*  json = cJSON_CreateObject();
@@ -2148,6 +2148,8 @@ static char* buildCreateCTableJson(STag* pTag, char* sname, char* name, SArray*
   cJSON_AddItemToObject(json, "tableType", tableType);
   cJSON* using = cJSON_CreateString(sname);
   cJSON_AddItemToObject(json, "using", using);
+  cJSON* tagNumJson = cJSON_CreateNumber(tagNum);
+  cJSON_AddItemToObject(json, "tagNum", tagNumJson);
   //  cJSON* version = cJSON_CreateNumber(1);
   //  cJSON_AddItemToObject(json, "version", version);
 
@@ -2236,7 +2238,7 @@ static char* processCreateTable(SMqMetaRsp* metaRsp) {
     pCreateReq = req.pReqs + iReq;
     if (pCreateReq->type == TSDB_CHILD_TABLE) {
       string = buildCreateCTableJson((STag*)pCreateReq->ctb.pTag, pCreateReq->ctb.name, pCreateReq->name,
-                                     pCreateReq->ctb.tagName, pCreateReq->uid);
+                                     pCreateReq->ctb.tagName, pCreateReq->uid, pCreateReq->ctb.tagNum);
     } else if (pCreateReq->type == TSDB_NORMAL_TABLE) {
       string =
           buildCreateTableJson(&pCreateReq->ntb.schemaRow, NULL, pCreateReq->name, pCreateReq->uid, TSDB_NORMAL_TABLE);
@@ -2952,9 +2954,243 @@ int32_t taos_write_raw_meta(TAOS *taos, tmq_raw_data raw_meta){
   return TSDB_CODE_INVALID_PARA;
 }
 
-void tmq_free_raw_meta(tmq_raw_data* rawMeta) {
-  //
-  taosMemoryFreeClear(rawMeta);
+typedef struct{
+  SVgroupInfo vg;
+  void *data;
+}VgData;
+
+static void destroyVgHash(void* data) {
+  VgData* vgData = (VgData*)data;
+  taosMemoryFreeClear(vgData->data);
+}
+
+int32_t taos_write_raw_data(TAOS *taos, TAOS_RES *msg){
+  if (!TD_RES_TMQ(msg)) {
+    uError("WriteRaw:msg is not tmq : %d", *(int8_t*)msg);
+    return TSDB_CODE_TMQ_INVALID_MSG;
+  }
+
+  int32_t code = TSDB_CODE_SUCCESS;
+  SHashObj *pVgHash = NULL;
+  SQuery *pQuery = NULL;
+
+  terrno = TSDB_CODE_SUCCESS;
+  SRequestObj* pRequest = (SRequestObj*)createRequest(*(int64_t*)taos, TSDB_SQL_INSERT);
+  if(!pRequest){
+    uError("WriteRaw:createRequest error request is null");
+    return terrno;
+  }
+
+  if (!pRequest->pDb) {
+    uError("WriteRaw:not use db");
+    code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
+    goto end;
+  }
+
+  pVgHash = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_NO_LOCK);
+  taosHashSetFreeFp(pVgHash, destroyVgHash);
+  struct SCatalog *pCatalog = NULL;
+  code = catalogGetHandle(pRequest->pTscObj->pAppInfo->clusterId, &pCatalog);
+  if(code != TSDB_CODE_SUCCESS){
+    uError("WriteRaw: get gatlog error");
+    goto end;
+  }
+
+  SRequestConnInfo conn = {0};
+  conn.pTrans = pRequest->pTscObj->pAppInfo->pTransporter;
+  conn.requestId = pRequest->requestId;
+  conn.requestObjRefId = pRequest->self;
+  conn.mgmtEps = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp);
+  SMqRspObj *rspObj = ((SMqRspObj*)msg);
+  printf("raw data block num:%d\n", rspObj->rsp.blockNum);
+  while (++rspObj->resIter < rspObj->rsp.blockNum) {
+    SRetrieveTableRsp* pRetrieve = (SRetrieveTableRsp*)taosArrayGetP(rspObj->rsp.blockData, rspObj->resIter);
+    if (!rspObj->rsp.withSchema) {
+      uError("WriteRaw:no schema, iter:%d", rspObj->resIter);
+      goto end;
+    }
+    SSchemaWrapper* pSW = (SSchemaWrapper*)taosArrayGetP(rspObj->rsp.blockSchema, rspObj->resIter);
+    setResSchemaInfo(&rspObj->resInfo, pSW->pSchema, pSW->nCols);
+
+    code = setQueryResultFromRsp(&rspObj->resInfo, pRetrieve, false, false);
+    if(code != TSDB_CODE_SUCCESS){
+      uError("WriteRaw: setQueryResultFromRsp error");
+      goto end;
+    }
+
+    uint16_t fLen = 0;
+    int32_t rowSize = 0;
+    int16_t nVar = 0;
+    for (int i = 0; i < pSW->nCols; i++) {
+      SSchema *schema = pSW->pSchema + i;
+      fLen += TYPE_BYTES[schema->type];
+      rowSize += schema->bytes;
+      if(IS_VAR_DATA_TYPE(schema->type)){
+        nVar ++;
+      }
+    }
+
+    int32_t rows = rspObj->resInfo.numOfRows;
+    int32_t extendedRowSize = rowSize + TD_ROW_HEAD_LEN - sizeof(TSKEY) + nVar * sizeof(VarDataOffsetT) +
+                              (int32_t)TD_BITMAP_BYTES(pSW->nCols - 1);
+    int32_t schemaLen = 0;
+    int32_t submitLen = sizeof(SSubmitBlk) + schemaLen + rows * extendedRowSize;
+
+    const char* tbName = tmq_get_table_name(msg);
+    if(!tbName){
+      uError("WriteRaw: tbname is null");
+      code = TSDB_CODE_TMQ_INVALID_MSG;
+      goto end;
+    }
+
+    printf("raw data tbname:%s\n", tbName);
+    SName pName = {TSDB_TABLE_NAME_T, pRequest->pTscObj->acctId, {0}, {0}};
+    strcpy(pName.dbname, pRequest->pDb);
+    strcpy(pName.tname, tbName);
+
+    VgData vgData = {0};
+    code = catalogGetTableHashVgroup(pCatalog, &conn, &pName, &(vgData.vg));
+    if (code != TSDB_CODE_SUCCESS) {
+      uError("WriteRaw:catalogGetTableHashVgroup failed. table name: %s", tbName);
+      goto end;
+    }
+
+    SSubmitReq* subReq = NULL;
+    SSubmitBlk* blk = NULL;
+    void *hData = taosHashGet(pVgHash, &vgData.vg.vgId, sizeof(vgData.vg.vgId));
+    if(hData){
+      vgData = *(VgData*)hData;
+
+      int32_t totalLen = ((SSubmitReq*)(vgData.data))->length + submitLen;
+      void *tmp = taosMemoryRealloc(vgData.data, totalLen);
+      if (tmp == NULL) {
+        code = TSDB_CODE_TSC_OUT_OF_MEMORY;
+        goto end;
+      }
+      vgData.data = tmp;
+      ((VgData*)hData)->data = tmp;
+      subReq = (SSubmitReq*)(vgData.data);
+      blk = POINTER_SHIFT(vgData.data, subReq->length);
+    }else{
+      int32_t totalLen = sizeof(SSubmitReq) + submitLen;
+      void *tmp = taosMemoryCalloc(1, totalLen);
+      if (tmp == NULL) {
+        code = TSDB_CODE_TSC_OUT_OF_MEMORY;
+        goto end;
+      }
+      vgData.data = tmp;
+      taosHashPut(pVgHash, (const char *)&vgData.vg.vgId, sizeof(vgData.vg.vgId), (char *)&vgData, sizeof(vgData));
+      subReq = (SSubmitReq*)(vgData.data);
+      subReq->length = sizeof(SSubmitReq);
+      subReq->numOfBlocks = 0;
+
+      blk = POINTER_SHIFT(vgData.data, sizeof(SSubmitReq));
+    }
+
+    STableMeta* pTableMeta = NULL;
+    code = catalogGetTableMeta(pCatalog, &conn, &pName, &pTableMeta);
+    if (code != TSDB_CODE_SUCCESS) {
+      uError("WriteRaw:catalogGetTableMeta failed. table name: %s", tbName);
+      goto end;
+    }
+    uint64_t suid = (TSDB_NORMAL_TABLE == pTableMeta->tableType ? 0 : pTableMeta->suid);
+    uint64_t uid = pTableMeta->uid;
+    taosMemoryFreeClear(pTableMeta);
+
+    void* blkSchema = POINTER_SHIFT(blk, sizeof(SSubmitBlk));
+    STSRow* rowData = POINTER_SHIFT(blkSchema, schemaLen);
+
+    SRowBuilder rb = {0};
+    tdSRowInit(&rb, pSW->version);
+    tdSRowSetTpInfo(&rb, pSW->nCols, fLen);
+    int32_t dataLen = 0;
+
+    for (int32_t j = 0; j < rows; j++) {
+      tdSRowResetBuf(&rb, rowData);
+
+      doSetOneRowPtr(&rspObj->resInfo);
+      rspObj->resInfo.current += 1;
+
+      int32_t offset = 0;
+      for (int32_t k = 0; k < pSW->nCols; k++) {
+        const SSchema*  pColumn = &pSW->pSchema[k];
+        char *data = rspObj->resInfo.row[k];
+        if (!data) {
+          tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NULL, NULL, false, offset, k);
+        } else {
+          if(IS_VAR_DATA_TYPE(pColumn->type)){
+            data -= VARSTR_HEADER_SIZE;
+          }
+          tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, data, true, offset, k);
+        }
+        offset += TYPE_BYTES[pColumn->type];
+      }
+      int32_t rowLen = TD_ROW_LEN(rowData);
+      rowData = POINTER_SHIFT(rowData, rowLen);
+      dataLen += rowLen;
+    }
+
+    blk->uid = htobe64(uid);
+    blk->suid = htobe64(suid);
+    blk->padding = htonl(blk->padding);
+    blk->sversion = htonl(pSW->version);
+    blk->schemaLen = htonl(schemaLen);
+    blk->numOfRows = htons(rows);
+    blk->dataLen = htonl(dataLen);
+    subReq->length += sizeof(SSubmitBlk) + schemaLen + dataLen;
+    subReq->numOfBlocks++;
+  }
+
+  pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
+  if (NULL == pQuery) {
+    uError("create SQuery error");
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto end;
+  }
+  pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
+  pQuery->haveResultSet = false;
+  pQuery->msgType = TDMT_VND_SUBMIT;
+  pQuery->pRoot = (SNode *)nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT);
+  if (NULL == pQuery->pRoot) {
+    uError("create pQuery->pRoot error");
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto end;
+  }
+  SVnodeModifOpStmt *nodeStmt = (SVnodeModifOpStmt *)(pQuery->pRoot);
+  nodeStmt->payloadType = PAYLOAD_TYPE_KV;
+
+  int32_t numOfVg = taosHashGetSize(pVgHash);
+  nodeStmt->pDataBlocks = taosArrayInit(numOfVg, POINTER_BYTES);
+
+  VgData *vData = (VgData *)taosHashIterate(pVgHash, NULL);
+  while (vData) {
+    SVgDataBlocks *dst = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
+    if (NULL == dst) {
+      code = TSDB_CODE_TSC_OUT_OF_MEMORY;
+      goto end;
+    }
+    dst->vg = vData->vg;
+    SSubmitReq* subReq = (SSubmitReq*)(vData->data);
+    dst->numOfTables = subReq->numOfBlocks;
+    dst->size = subReq->length;
+    dst->pData = (char*)subReq;
+    vData->data = NULL;    // no need free
+    subReq->header.vgId = htonl(dst->vg.vgId);
+    subReq->version = htonl(1);
+    subReq->header.contLen = htonl(subReq->length);
+    subReq->length = htonl(subReq->length);
+    subReq->numOfBlocks = htonl(subReq->numOfBlocks);
+    taosArrayPush(nodeStmt->pDataBlocks, &dst);
+    vData = (VgData *)taosHashIterate(pVgHash, vData);
+  }
+
+  launchQueryImpl(pRequest, pQuery, true, NULL);
+  code = pRequest->code;
+end:
+  qDestroyQuery(pQuery);
+  destroyRequest(pRequest);
+  taosHashCleanup(pVgHash);
+  return code;
 }
 
 void tmq_commit_async(tmq_t* tmq, const TAOS_RES* msg, tmq_commit_cb* cb, void* param) {
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 2a3452c534..c94c624f89 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -4981,6 +4981,7 @@ int tEncodeSVCreateTbReq(SEncoder *pCoder, const SVCreateTbReq *pReq) {
 
   if (pReq->type == TSDB_CHILD_TABLE) {
     if (tEncodeCStr(pCoder, pReq->ctb.name) < 0) return -1;
+    if (tEncodeU8(pCoder, pReq->ctb.tagNum) < 0) return -1;
     if (tEncodeI64(pCoder, pReq->ctb.suid) < 0) return -1;
     if (tEncodeTag(pCoder, (const STag *)pReq->ctb.pTag) < 0) return -1;
     int32_t len = taosArrayGetSize(pReq->ctb.tagName);
@@ -5017,6 +5018,7 @@ int tDecodeSVCreateTbReq(SDecoder *pCoder, SVCreateTbReq *pReq) {
 
   if (pReq->type == TSDB_CHILD_TABLE) {
     if (tDecodeCStr(pCoder, &pReq->ctb.name) < 0) return -1;
+    if (tDecodeU8(pCoder, &pReq->ctb.tagNum) < 0) return -1;
     if (tDecodeI64(pCoder, &pReq->ctb.suid) < 0) return -1;
     if (tDecodeTag(pCoder, (STag **)&pReq->ctb.pTag) < 0) return -1;
     int32_t len = 0;
diff --git a/source/dnode/vnode/src/tq/tqMeta.c b/source/dnode/vnode/src/tq/tqMeta.c
index d282036fe3..ab1089e7a4 100644
--- a/source/dnode/vnode/src/tq/tqMeta.c
+++ b/source/dnode/vnode/src/tq/tqMeta.c
@@ -67,10 +67,10 @@ int32_t tqMetaOpen(STQ* pTq) {
     ASSERT(0);
   }
 
-  void* pKey;
-  int   kLen;
-  void* pVal;
-  int   vLen;
+  void* pKey = NULL;
+  int   kLen = 0;
+  void* pVal = NULL;
+  int   vLen = 0;
 
   tdbTbcMoveToFirst(pCur);
   SDecoder decoder;
diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 8fa8fd4cf8..702422e022 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -739,12 +739,12 @@ static int32_t parseBoundColumns(SInsertParseContext* pCxt, SParsedDataColInfo*
   return TSDB_CODE_SUCCESS;
 }
 
-static void buildCreateTbReq(SVCreateTbReq* pTbReq, const char* tname, STag* pTag, int64_t suid, const char* sname,
-                             SArray* tagName) {
+static void buildCreateTbReq(SVCreateTbReq* pTbReq, const char* tname, STag* pTag, int64_t suid, const char* sname, SArray* tagName, uint8_t tagNum) {
   pTbReq->type = TD_CHILD_TABLE;
   pTbReq->name = strdup(tname);
   pTbReq->ctb.suid = suid;
-  if (sname) pTbReq->ctb.name = strdup(sname);
+  pTbReq->ctb.tagNum = tagNum;
+  if(sname) pTbReq->ctb.name = strdup(sname);
   pTbReq->ctb.pTag = (uint8_t*)pTag;
   pTbReq->ctb.tagName = taosArrayDup(tagName);
   pTbReq->commentLen = -1;
@@ -903,7 +903,7 @@ static int32_t parseTagToken(char** end, SToken* pToken, SSchema* pSchema, int16
       if (pToken->n + VARSTR_HEADER_SIZE > pSchema->bytes) {
         return generateSyntaxErrMsg(pMsgBuf, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
       }
-      val->pData = pToken->z;
+      val->pData = strdup(pToken->z);
       val->nData = pToken->n;
       break;
     }
@@ -969,10 +969,9 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
     }
 
     SSchema* pTagSchema = &pSchema[pCxt->tags.boundColumns[i]];
-    char*    tmpTokenBuf = taosMemoryCalloc(1, sToken.n);  // todo this can be optimize with parse column
+    char     tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW] = {0}; // todo this can be optimize with parse column
     code = checkAndTrimValue(&sToken, tmpTokenBuf, &pCxt->msg);
     if (code != TSDB_CODE_SUCCESS) {
-      taosMemoryFree(tmpTokenBuf);
       goto end;
     }
 
@@ -982,7 +981,6 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
     if (pTagSchema->type == TSDB_DATA_TYPE_JSON) {
       if (sToken.n > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
         code = buildSyntaxErrMsg(&pCxt->msg, "json string too long than 4095", sToken.z);
-        taosMemoryFree(tmpTokenBuf);
         goto end;
       }
       if (isNullValue(pTagSchema->type, &sToken)) {
@@ -990,7 +988,6 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
       } else {
         code = parseJsontoTagData(sToken.z, pTagVals, &pTag, &pCxt->msg);
       }
-      taosMemoryFree(tmpTokenBuf);
       if (code != TSDB_CODE_SUCCESS) {
         goto end;
       }
@@ -999,12 +996,9 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
       STagVal val = {0};
       code = parseTagToken(&pCxt->pSql, &sToken, pTagSchema, precision, &val, &pCxt->msg);
       if (TSDB_CODE_SUCCESS != code) {
-        taosMemoryFree(tmpTokenBuf);
         goto end;
       }
-      if (pTagSchema->type != TSDB_DATA_TYPE_BINARY) {
-        taosMemoryFree(tmpTokenBuf);
-      }
+
       taosArrayPush(pTagVals, &val);
     }
   }
@@ -1018,12 +1012,12 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
     goto end;
   }
 
-  buildCreateTbReq(&pCxt->createTblReq, tName, pTag, pCxt->pTableMeta->suid, pCxt->sTableName, tagName);
+  buildCreateTbReq(&pCxt->createTblReq, tName, pTag, pCxt->pTableMeta->suid, pCxt->sTableName, tagName, pCxt->pTableMeta->tableInfo.numOfTags);
 
 end:
   for (int i = 0; i < taosArrayGetSize(pTagVals); ++i) {
     STagVal* p = (STagVal*)taosArrayGet(pTagVals, i);
-    if (p->type == TSDB_DATA_TYPE_NCHAR) {
+    if (IS_VAR_DATA_TYPE(p->type)) {
       taosMemoryFree(p->pData);
     }
   }
@@ -1902,7 +1896,7 @@ int32_t qBindStmtTagsValue(void* pBlock, void* boundTags, int64_t suid, const ch
   }
 
   SVCreateTbReq tbReq = {0};
-  buildCreateTbReq(&tbReq, tName, pTag, suid, sTableName, tagName);
+  buildCreateTbReq(&tbReq, tName, pTag, suid, sTableName, tagName, pDataBlock->pTableMeta->tableInfo.numOfTags);
   code = buildCreateTbMsg(pDataBlock, &tbReq);
   tdDestroySVCreateTbReq(&tbReq);
 
@@ -2338,7 +2332,7 @@ int32_t smlBindData(void* handle, SArray* tags, SArray* colsSchema, SArray* cols
     return ret;
   }
 
-  buildCreateTbReq(&smlHandle->tableExecHandle.createTblReq, tableName, pTag, pTableMeta->suid, NULL, tagName);
+  buildCreateTbReq(&smlHandle->tableExecHandle.createTblReq, tableName, pTag, pTableMeta->suid, NULL, tagName, pTableMeta->tableInfo.numOfTags);
   taosArrayDestroy(tagName);
 
   smlHandle->tableExecHandle.createTblReq.ctb.name = taosMemoryMalloc(sTableNameLen + 1);
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 93fffee956..3930e46054 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -5559,7 +5559,7 @@ static int32_t rewriteCreateTable(STranslateContext* pCxt, SQuery* pQuery) {
 
 static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, SCreateSubTableClause* pStmt,
                                      const STag* pTag, uint64_t suid, const char* sTableNmae, SVgroupInfo* pVgInfo,
-                                     SArray* tagName) {
+                                     SArray* tagName, uint8_t tagNum) {
   //  char  dbFName[TSDB_DB_FNAME_LEN] = {0};
   //  SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
   //  strcpy(name.dbname, pStmt->dbName);
@@ -5576,6 +5576,7 @@ static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, S
     req.commentLen = -1;
   }
   req.ctb.suid = suid;
+  req.ctb.tagNum = tagNum;
   req.ctb.name = strdup(sTableNmae);
   req.ctb.pTag = (uint8_t*)pTag;
   req.ctb.tagName = taosArrayDup(tagName);
@@ -5827,7 +5828,7 @@ static int32_t rewriteCreateSubTable(STranslateContext* pCxt, SCreateSubTableCla
   }
   if (TSDB_CODE_SUCCESS == code) {
     addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt, pTag, pSuperTableMeta->uid,
-                             pStmt->useTableName, &info, tagName);
+                             pStmt->useTableName, &info, tagName, pSuperTableMeta->tableInfo.numOfTags);
   }
 
   taosArrayDestroy(tagName);