474 lines
14 KiB
C
474 lines
14 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "taos.h"
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static int running = 1;
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static void msg_process(TAOS_RES* msg) {
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char buf[1024];
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/*memset(buf, 0, 1024);*/
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printf("topic: %s\n", tmq_get_topic_name(msg));
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printf("db: %s\n", tmq_get_db_name(msg));
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printf("vg: %d\n", tmq_get_vgroup_id(msg));
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if (tmq_get_res_type(msg) == TMQ_RES_TABLE_META) {
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tmq_raw_data raw = {0};
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int32_t code = tmq_get_raw(msg, &raw);
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if (code == 0) {
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TAOS* pConn = taos_connect("192.168.1.86", "root", "taosdata", NULL, 0);
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if (pConn == NULL) {
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return;
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}
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TAOS_RES* pRes = taos_query(pConn, "create database if not exists abc1 vgroups 5");
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if (taos_errno(pRes) != 0) {
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printf("error in create db, reason:%s\n", taos_errstr(pRes));
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return;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "use abc1");
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if (taos_errno(pRes) != 0) {
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printf("error in use db, reason:%s\n", taos_errstr(pRes));
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return;
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}
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taos_free_result(pRes);
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int32_t ret = tmq_write_raw(pConn, raw);
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printf("write raw data: %s\n", tmq_err2str(ret));
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taos_close(pConn);
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}
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char* result = tmq_get_json_meta(msg);
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if (result) {
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printf("meta result: %s\n", result);
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}
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tmq_free_json_meta(result);
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return;
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}
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while (1) {
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TAOS_ROW row = taos_fetch_row(msg);
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if (row == NULL) break;
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TAOS_FIELD* fields = taos_fetch_fields(msg);
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int32_t numOfFields = taos_field_count(msg);
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taos_print_row(buf, row, fields, numOfFields);
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printf("%s\n", buf);
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const char* tbName = tmq_get_table_name(msg);
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if (tbName) {
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printf("from tb: %s\n", tbName);
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}
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}
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}
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int32_t init_env() {
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TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
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if (pConn == NULL) {
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return -1;
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}
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TAOS_RES* pRes = taos_query(pConn, "create database if not exists abc1 vgroups 5");
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if (taos_errno(pRes) != 0) {
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printf("error in create db, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "use abc1");
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if (taos_errno(pRes) != 0) {
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printf("error in use db, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn,
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"create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(16)) tags(t1 int, t3 "
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"nchar(8), t4 bool)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table if not exists ct0 using st1 tags(1000, \"ttt\", true)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create child table tu1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into ct0 values(now, 1, 2, 'a')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert into ct0, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table if not exists ct1 using st1(t1) tags(2000)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create child table ct1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table if not exists ct2 using st1(t1) tags(NULL)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create child table ct2, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into ct1 values(now, 3, 4, 'b')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert into ct1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table if not exists ct3 using st1(t1) tags(3000)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create child table ct3, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into ct3 values(now, 5, 6, 'c')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert into ct3, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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#if 0
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pRes = taos_query(pConn, "alter table st1 add column c4 bigint");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table st1 modify column c3 binary(64)");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table st1 add tag t2 binary(64)");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table ct3 set tag t1=5000");
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if (taos_errno(pRes) != 0) {
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printf("failed to slter child table ct3, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "drop table ct3 ct1");
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if (taos_errno(pRes) != 0) {
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printf("failed to drop child table ct3, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "drop table st1");
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if (taos_errno(pRes) != 0) {
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printf("failed to drop super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table if not exists n1(ts timestamp, c1 int, c2 nchar(4))");
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if (taos_errno(pRes) != 0) {
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printf("failed to create normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table n1 add column c3 bigint");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table n1 modify column c2 nchar(8)");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table n1 rename column c3 cc3");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table n1 comment 'hello'");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "alter table n1 drop column c1");
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if (taos_errno(pRes) != 0) {
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printf("failed to alter normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "drop table n1");
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if (taos_errno(pRes) != 0) {
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printf("failed to drop normal table n1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table jt(ts timestamp, i int) tags(t json)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create super table jt, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table jt1 using jt tags('{\"k1\":1, \"k2\":\"hello\"}')");
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if (taos_errno(pRes) != 0) {
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printf("failed to create super table jt, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create table jt2 using jt tags('')");
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if (taos_errno(pRes) != 0) {
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printf("failed to create super table jt2, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn,
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"create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(16)) tags(t1 int, t3 "
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"nchar(8), t4 bool)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "drop table st1");
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if (taos_errno(pRes) != 0) {
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printf("failed to drop super table st1, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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#endif
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return 0;
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}
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int32_t create_topic() {
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printf("create topic\n");
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TAOS_RES* pRes;
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TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
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if (pConn == NULL) {
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return -1;
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}
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pRes = taos_query(pConn, "use abc1");
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if (taos_errno(pRes) != 0) {
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printf("error in use db, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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// pRes = taos_query(pConn, "create topic topic_ctb_column with meta as database abc1");
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pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from st1");
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if (taos_errno(pRes) != 0) {
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printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "create topic topic2 as select ts, c1, c2, c3 from st1");
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if (taos_errno(pRes) != 0) {
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printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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#if 0
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pRes = taos_query(pConn, "insert into tu1 values(now, 1, 1.0, 'bi1')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into tu1 values(now+1d, 1, 1.0, 'bi1')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into tu2 values(now, 2, 2.0, 'bi2')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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pRes = taos_query(pConn, "insert into tu2 values(now+1d, 2, 2.0, 'bi2')");
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if (taos_errno(pRes) != 0) {
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printf("failed to insert, reason:%s\n", taos_errstr(pRes));
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return -1;
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}
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taos_free_result(pRes);
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#endif
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taos_close(pConn);
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return 0;
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}
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void tmq_commit_cb_print(tmq_t* tmq, int32_t code, void* param) {
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printf("commit %d tmq %p param %p\n", code, tmq, param);
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}
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tmq_t* build_consumer() {
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#if 0
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TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
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assert(pConn != NULL);
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TAOS_RES* pRes = taos_query(pConn, "use abc1");
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if (taos_errno(pRes) != 0) {
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printf("error in use db, reason:%s\n", taos_errstr(pRes));
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}
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taos_free_result(pRes);
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#endif
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tmq_conf_t* conf = tmq_conf_new();
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tmq_conf_set(conf, "group.id", "tg2");
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tmq_conf_set(conf, "client.id", "my app 1");
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tmq_conf_set(conf, "td.connect.user", "root");
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tmq_conf_set(conf, "td.connect.pass", "taosdata");
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tmq_conf_set(conf, "msg.with.table.name", "true");
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tmq_conf_set(conf, "enable.auto.commit", "true");
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/*tmq_conf_set(conf, "experimental.snapshot.enable", "true");*/
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tmq_conf_set_auto_commit_cb(conf, tmq_commit_cb_print, NULL);
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tmq_t* tmq = tmq_consumer_new(conf, NULL, 0);
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assert(tmq);
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tmq_conf_destroy(conf);
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return tmq;
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}
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tmq_list_t* build_topic_list() {
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tmq_list_t* topic_list = tmq_list_new();
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tmq_list_append(topic_list, "topic_ctb_column");
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/*tmq_list_append(topic_list, "tmq_test_db_multi_insert_topic");*/
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return topic_list;
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}
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void basic_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
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int32_t code;
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if ((code = tmq_subscribe(tmq, topics))) {
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fprintf(stderr, "%% Failed to start consuming topics: %s\n", tmq_err2str(code));
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printf("subscribe err\n");
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return;
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}
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int32_t cnt = 0;
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while (running) {
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TAOS_RES* tmqmessage = tmq_consumer_poll(tmq, -1);
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if (tmqmessage) {
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cnt++;
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msg_process(tmqmessage);
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/*if (cnt >= 2) break;*/
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/*printf("get data\n");*/
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taos_free_result(tmqmessage);
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/*} else {*/
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/*break;*/
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/*tmq_commit_sync(tmq, NULL);*/
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}
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}
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code = tmq_consumer_close(tmq);
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if (code)
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fprintf(stderr, "%% Failed to close consumer: %s\n", tmq_err2str(code));
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else
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fprintf(stderr, "%% Consumer closed\n");
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}
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void sync_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
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static const int MIN_COMMIT_COUNT = 1;
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int msg_count = 0;
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int32_t code;
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if ((code = tmq_subscribe(tmq, topics))) {
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fprintf(stderr, "%% Failed to start consuming topics: %s\n", tmq_err2str(code));
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return;
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}
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tmq_list_t* subList = NULL;
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tmq_subscription(tmq, &subList);
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char** subTopics = tmq_list_to_c_array(subList);
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int32_t sz = tmq_list_get_size(subList);
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printf("subscribed topics: ");
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for (int32_t i = 0; i < sz; i++) {
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printf("%s, ", subTopics[i]);
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}
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printf("\n");
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tmq_list_destroy(subList);
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while (running) {
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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[]) {
|
|
if (argc > 1) {
|
|
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);*/
|
|
}
|