diff --git a/Jenkinsfile2 b/Jenkinsfile2 index 754617f99f..12e806c87a 100644 --- a/Jenkinsfile2 +++ b/Jenkinsfile2 @@ -43,6 +43,7 @@ def pre_test(){ cd ${WKC} git reset --hard git clean -fxd + rm -rf examples/rust/ git remote prune origin git fetch ''' diff --git a/cmake/rust-bindings_CMakeLists.txt.in b/cmake/rust-bindings_CMakeLists.txt.in deleted file mode 100644 index d16e86139b..0000000000 --- a/cmake/rust-bindings_CMakeLists.txt.in +++ /dev/null @@ -1,12 +0,0 @@ - -# rust-bindings -ExternalProject_Add(rust-bindings - GIT_REPOSITORY https://github.com/songtianyi/tdengine-rust-bindings.git - GIT_TAG 7ed7a97 - SOURCE_DIR "${TD_SOURCE_DIR}/examples/rust" - BINARY_DIR "${TD_SOURCE_DIR}/examples/rust" - CONFIGURE_COMMAND "" - BUILD_COMMAND "" - INSTALL_COMMAND "" - TEST_COMMAND "" - ) diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt index 294b59fe95..a1eec81ee0 100644 --- a/contrib/CMakeLists.txt +++ b/contrib/CMakeLists.txt @@ -105,11 +105,6 @@ if(${BUILD_WITH_SQLITE}) cat("${TD_SUPPORT_DIR}/sqlite_CMakeLists.txt.in" ${CONTRIB_TMP_FILE}) endif(${BUILD_WITH_SQLITE}) -# rust-bindings -if(${RUST_BINDINGS}) - cat("${TD_SUPPORT_DIR}/rust-bindings_CMakeLists.txt.in" ${CONTRIB_TMP_FILE}) -endif(${RUST_BINDINGS}) - # lucene if(${BUILD_WITH_LUCENE}) cat("${TD_SUPPORT_DIR}/lucene_CMakeLists.txt.in" ${CONTRIB_TMP_FILE}) diff --git a/docs/examples/c/tmq_example.c b/docs/examples/c/tmq_example.c new file mode 100644 index 0000000000..19adaad116 --- /dev/null +++ b/docs/examples/c/tmq_example.c @@ -0,0 +1,275 @@ +/* + * Copyright (c) 2019 TAOS Data, Inc. + * + * 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 . + */ + +#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); + rows++; + taos_print_row(buf, row, fields, numOfFields); + printf("row content: %s\n", 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, tbname 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", "false"); + 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) { + 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; + } + + if ((code = tmq_subscribe(tmq, topic_list))) { + fprintf(stderr, "%% Failed to tmq_subscribe(): %s\n", tmq_err2str(code)); + } + tmq_list_destroy(topic_list); + + basic_consume_loop(tmq); + + 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; +} diff --git a/docs/zh/05-get-started/03-package.md b/docs/zh/05-get-started/03-package.md index 9cd2446ba9..c1a67f0182 100644 --- a/docs/zh/05-get-started/03-package.md +++ b/docs/zh/05-get-started/03-package.md @@ -7,12 +7,13 @@ import Tabs from "@theme/Tabs"; import TabItem from "@theme/TabItem"; import PkgListV3 from "/components/PkgListV3"; +您可以[用 Docker 立即体验](../../get-started/docker/) TDengine。如果您希望对 TDengine 贡献代码或对内部实现感兴趣,请参考我们的 [TDengine GitHub 主页](https://github.com/taosdata/TDengine) 下载源码构建和安装. + TDengine 完整的软件包包括服务端(taosd)、用于与第三方系统对接并提供 RESTful 接口的 taosAdapter、应用驱动(taosc)、命令行程序 (CLI,taos) 和一些工具软件。目前 taosAdapter 仅在 Linux 系统上安装和运行,后续将支持 Windows、macOS 等系统。TDengine 除了提供多种语言的连接器之外,还通过 [taosAdapter](../../reference/taosadapter/) 提供 [RESTful 接口](../../reference/rest-api/)。 -为方便使用,标准的服务端安装包包含了 taos、taosd、taosAdapter、taosdump、taosBenchmark、TDinsight 安装脚本和示例代码;如果您只需要用到服务端程序和客户端连接的 C/C++ 语言支持,也可以仅下载 lite 版本的安装包。 - -在 Linux 系统上,TDengine 开源版本提供 deb 和 rpm 格式安装包,用户可以根据自己的运行环境选择合适的安装包。其中 deb 支持 Debian/Ubuntu 及衍生系统,rpm 支持 CentOS/RHEL/SUSE 及衍生系统。同时我们也为企业用户提供 tar.gz 格式安装包,也支持通过 `apt-get` 工具从线上进行安装。TDengine 也提供 Windows x64 平台的安装包。您也可以[用 Docker 立即体验](../../get-started/docker/)。需要注意的是,rpm 和 deb 包不含 taosdump 和 TDinsight 安装脚本,这些工具需要通过安装 taosTool 包获得。如果您希望对 TDengine 贡献代码或对内部实现感兴趣,请参考我们的 [TDengine GitHub 主页](https://github.com/taosdata/TDengine) 下载源码构建和安装. +为方便使用,标准的服务端安装包包含了 taosd、taosAdapter、taosc、taos、taosdump、taosBenchmark、TDinsight 安装脚本和示例代码;如果您只需要用到服务端程序和客户端连接的 C/C++ 语言支持,也可以仅下载 lite 版本的安装包。 +在 Linux 系统上,TDengine 开源版本提供 deb 和 rpm 格式安装包,用户可以根据自己的运行环境选择合适的安装包。其中 deb 支持 Debian/Ubuntu 及衍生系统,rpm 支持 CentOS/RHEL/SUSE 及衍生系统。同时我们也为企业用户提供 tar.gz 格式安装包,也支持通过 `apt-get` 工具从线上进行安装。需要注意的是,rpm 和 deb 包不含 taosdump 和 TDinsight 安装脚本,这些工具需要通过安装 taosTool 包获得。TDengine 也提供 Windows x64 平台的安装包。 ## 安装 diff --git a/docs/zh/07-develop/07-tmq.mdx b/docs/zh/07-develop/07-tmq.mdx index c487835e2d..da8bf5e20e 100644 --- a/docs/zh/07-develop/07-tmq.mdx +++ b/docs/zh/07-develop/07-tmq.mdx @@ -724,7 +724,6 @@ consumer.close(); - ```go @@ -769,6 +768,7 @@ consumer.Unsubscribe(); // 关闭消费 consumer.Close(); ``` + @@ -807,300 +807,9 @@ SHOW SUBSCRIPTIONS; 以下是各语言的完整示例代码。 + - -```c -/* - * Copyright (c) 2019 TAOS Data, Inc. - * - * 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 . - */ - -#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; -} - -``` - -[查看源码](https://github.com/taosdata/TDengine/blob/develop/examples/c/tmq.c) + @@ -1116,22 +825,7 @@ int main(int argc, char* argv[]) { - -```python -import taos -from taos.tmq import TaosConsumer - -import taos -from taos.tmq import * -consumer = TaosConsumer('topic_ctb_column', group_id='vg2') -for msg in consumer: - for row in msg: - print(row) - -``` - -[查看源码](https://github.com/taosdata/TDengine/blob/develop/docs/examples/python/tmq_example.py) - + diff --git a/docs/zh/07-develop/_sub_c.mdx b/docs/zh/07-develop/_sub_c.mdx index da492a0269..b0667268e9 100644 --- a/docs/zh/07-develop/_sub_c.mdx +++ b/docs/zh/07-develop/_sub_c.mdx @@ -1,3 +1,3 @@ ```c -{{#include docs/examples/c/subscribe_demo.c}} -``` \ No newline at end of file +{{#include docs/examples/c/tmq_example.c}} +``` diff --git a/docs/zh/07-develop/_sub_python.mdx b/docs/zh/07-develop/_sub_python.mdx index 490b76fca6..1309da5b41 100644 --- a/docs/zh/07-develop/_sub_python.mdx +++ b/docs/zh/07-develop/_sub_python.mdx @@ -1,3 +1,3 @@ ```py -{{#include docs/examples/python/subscribe_demo.py}} -``` \ No newline at end of file +{{#include docs/examples/python/tmq_example.py}} +``` diff --git a/docs/zh/14-reference/15-taosKeeper.md b/docs/zh/14-reference/14-taosKeeper.md similarity index 95% rename from docs/zh/14-reference/15-taosKeeper.md rename to docs/zh/14-reference/14-taosKeeper.md index d3f96bc5a9..f1165c9d0f 100644 --- a/docs/zh/14-reference/15-taosKeeper.md +++ b/docs/zh/14-reference/14-taosKeeper.md @@ -25,7 +25,7 @@ taosKeeper 安装方式: taosKeeper 需要在操作系统终端执行,该工具支持 [配置文件启动](#配置文件启动)。 -**在运行 taosKeeper 之前要确保 TDengine 集群与 taosAdapter 已经在正确运行。** +**在运行 taosKeeper 之前要确保 TDengine 集群与 taosAdapter 已经在正确运行。** 并且 TDengine 已经开启监控服务,具体请参考:[TDengine 监控配置](../config/#监控相关)。