diff --git a/docs/zh/07-develop/07-tmq.md b/docs/zh/07-develop/07-tmq.md
index 72f3714a10..3ff90d242d 100644
--- a/docs/zh/07-develop/07-tmq.md
+++ b/docs/zh/07-develop/07-tmq.md
@@ -206,288 +206,12 @@ TMQ支持多种订阅类型:
```c
-// A simple demo for asynchronous subscription.
-// compile with:
-// gcc -o tmq tmq.c -ltaos
-
-
-
-#include
-#include
-#include
-#include
-#include
-#include "taos.h"
-
-static int running = 1;
-static char dbName[64] = "tmqdb";
-static char stbName[64] = "stb";
-static char topicName[64] = "topicname";
-
-static int32_t msg_process(TAOS_RES* msg) {
- char buf[1024];
- int32_t rows = 0;
-
- const char* topicName = tmq_get_topic_name(msg);
- const char* dbName = tmq_get_db_name(msg);
- int32_t vgroupId = tmq_get_vgroup_id(msg);
-
- printf("topic: %s\n", topicName);
- printf("db: %s\n", dbName);
- printf("vgroup id: %d\n", vgroupId);
-
- while (1) {
- TAOS_ROW row = taos_fetch_row(msg);
- if (row == NULL) break;
-
- TAOS_FIELD* fields = taos_fetch_fields(msg);
- int32_t numOfFields = taos_field_count(msg);
- int32_t* length = taos_fetch_lengths(msg);
- int32_t precision = taos_result_precision(msg);
- const char* tbName = tmq_get_table_name(msg);
- rows++;
- taos_print_row(buf, row, fields, numOfFields);
- printf("row content from %s: %s\n", (tbName != NULL ? tbName : "table null"), buf);
- }
-
- return rows;
-}
-
-static int32_t init_env() {
- TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
- if (pConn == NULL) {
- return -1;
- }
-
- TAOS_RES* pRes;
- // drop database if exists
- printf("create database\n");
- pRes = taos_query(pConn, "drop database if exists tmqdb");
- if (taos_errno(pRes) != 0) {
- printf("error in drop tmqdb, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- // create database
- pRes = taos_query(pConn, "create database tmqdb");
- if (taos_errno(pRes) != 0) {
- printf("error in create tmqdb, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- // create super table
- printf("create super table\n");
- pRes = taos_query(
- pConn, "create table tmqdb.stb (ts timestamp, c1 int, c2 float, c3 varchar(16)) tags(t1 int, t3 varchar(16))");
- if (taos_errno(pRes) != 0) {
- printf("failed to create super table stb, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- // create sub tables
- printf("create sub tables\n");
- pRes = taos_query(pConn, "create table tmqdb.ctb0 using tmqdb.stb tags(0, 'subtable0')");
- if (taos_errno(pRes) != 0) {
- printf("failed to create super table ctb0, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "create table tmqdb.ctb1 using tmqdb.stb tags(1, 'subtable1')");
- if (taos_errno(pRes) != 0) {
- printf("failed to create super table ctb1, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "create table tmqdb.ctb2 using tmqdb.stb tags(2, 'subtable2')");
- if (taos_errno(pRes) != 0) {
- printf("failed to create super table ctb2, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "create table tmqdb.ctb3 using tmqdb.stb tags(3, 'subtable3')");
- if (taos_errno(pRes) != 0) {
- printf("failed to create super table ctb3, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- // insert data
- printf("insert data into sub tables\n");
- pRes = taos_query(pConn, "insert into tmqdb.ctb0 values(now, 0, 0, 'a0')(now+1s, 0, 0, 'a00')");
- if (taos_errno(pRes) != 0) {
- printf("failed to insert into ctb0, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "insert into tmqdb.ctb1 values(now, 1, 1, 'a1')(now+1s, 11, 11, 'a11')");
- if (taos_errno(pRes) != 0) {
- printf("failed to insert into ctb0, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "insert into tmqdb.ctb2 values(now, 2, 2, 'a1')(now+1s, 22, 22, 'a22')");
- if (taos_errno(pRes) != 0) {
- printf("failed to insert into ctb0, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "insert into tmqdb.ctb3 values(now, 3, 3, 'a1')(now+1s, 33, 33, 'a33')");
- if (taos_errno(pRes) != 0) {
- printf("failed to insert into ctb0, 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 tmqdb");
- if (taos_errno(pRes) != 0) {
- printf("error in use tmqdb, reason:%s\n", taos_errstr(pRes));
- return -1;
- }
- taos_free_result(pRes);
-
- pRes = taos_query(pConn, "create topic topicname as select ts, c1, c2, c3 from tmqdb.stb where c1 > 1");
- if (taos_errno(pRes) != 0) {
- printf("failed to create topic topicname, 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("tmq_commit_cb_print() code: %d, tmq: %p, param: %p\n", code, tmq, param);
-}
-
-tmq_t* build_consumer() {
- tmq_conf_res_t code;
- tmq_conf_t* conf = tmq_conf_new();
- code = tmq_conf_set(conf, "enable.auto.commit", "true");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "auto.commit.interval.ms", "1000");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "group.id", "cgrpName");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "client.id", "user defined name");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "td.connect.user", "root");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "td.connect.pass", "taosdata");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "auto.offset.reset", "earliest");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "experimental.snapshot.enable", "true");
- if (TMQ_CONF_OK != code) return NULL;
- code = tmq_conf_set(conf, "msg.with.table.name", "true");
- if (TMQ_CONF_OK != code) return NULL;
-
- tmq_conf_set_auto_commit_cb(conf, tmq_commit_cb_print, NULL);
-
- tmq_t* tmq = tmq_consumer_new(conf, NULL, 0);
- tmq_conf_destroy(conf);
- return tmq;
-}
-
-tmq_list_t* build_topic_list() {
- tmq_list_t* topicList = tmq_list_new();
- int32_t code = tmq_list_append(topicList, "topicname");
- if (code) {
- return NULL;
- }
- return topicList;
-}
-
-void basic_consume_loop(tmq_t* tmq, tmq_list_t* topicList) {
- int32_t code;
-
- if ((code = tmq_subscribe(tmq, topicList))) {
- fprintf(stderr, "%% Failed to tmq_subscribe(): %s\n", tmq_err2str(code));
- return;
- }
-
- int32_t totalRows = 0;
- int32_t msgCnt = 0;
- int32_t timeout = 5000;
- while (running) {
- TAOS_RES* tmqmsg = tmq_consumer_poll(tmq, timeout);
- if (tmqmsg) {
- msgCnt++;
- totalRows += msg_process(tmqmsg);
- taos_free_result(tmqmsg);
- /*} else {*/
- /*break;*/
- }
- }
-
- fprintf(stderr, "%d msg consumed, include %d rows\n", msgCnt, totalRows);
-}
-
-int main(int argc, char* argv[]) {
- int32_t code;
-
- if (init_env() < 0) {
- return -1;
- }
-
- if (create_topic() < 0) {
- return -1;
- }
-
- tmq_t* tmq = build_consumer();
- if (NULL == tmq) {
- fprintf(stderr, "%% build_consumer() fail!\n");
- return -1;
- }
-
- tmq_list_t* topic_list = build_topic_list();
- if (NULL == topic_list) {
- return -1;
- }
-
- basic_consume_loop(tmq, topic_list);
-
- code = tmq_unsubscribe(tmq);
- if (code) {
- fprintf(stderr, "%% Failed to unsubscribe: %s\n", tmq_err2str(code));
- } else {
- fprintf(stderr, "%% unsubscribe\n");
- }
-
- code = tmq_consumer_close(tmq);
- if (code) {
- fprintf(stderr, "%% Failed to close consumer: %s\n", tmq_err2str(code));
- } else {
- fprintf(stderr, "%% Consumer closed\n");
- }
-
- return 0;
-}
+{{#include examples/c/tmq.c}}
```
+
TODO