110 lines
3.3 KiB
C
110 lines
3.3 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 <string.h>
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#include <time.h>
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#include "taos.h"
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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 2");
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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, "create stable if not exists st1 (ts timestamp, k int) tags(a int)");
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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 tu1 using st1 tags(1)");
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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, "create table if not exists tu2 using st1 tags(2)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create child table tu2, 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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return 0;
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}
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int32_t create_stream() {
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printf("create stream\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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/*const char* sql = "select min(k), max(k), sum(k) from tu1";*/
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/*const char* sql = "select min(k), max(k), sum(k) as sum_of_k from st1";*/
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/*const char* sql = "select sum(k) from tu1 interval(10m)";*/
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/*pRes = tmq_create_stream(pConn, "stream1", "out1", sql);*/
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pRes = taos_query(
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pConn, "create stream stream1 trigger at_once into outstb as select _wstartts, sum(k) from st1 interval(10m)");
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if (taos_errno(pRes) != 0) {
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printf("failed to create stream stream1, 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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taos_close(pConn);
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return 0;
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}
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int main(int argc, char* argv[]) {
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int code;
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if (argc > 1) {
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printf("env init\n");
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code = init_env();
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}
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create_stream();
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#if 0
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tmq_t* tmq = build_consumer();
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tmq_list_t* topic_list = build_topic_list();
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/*perf_loop(tmq, topic_list);*/
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/*basic_consume_loop(tmq, topic_list);*/
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sync_consume_loop(tmq, topic_list);
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#endif
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}
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