78 lines
2.7 KiB
C
78 lines
2.7 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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// TAOS standard API example. The same syntax as MySQL, but only a subset
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// to compile: gcc -o insert_data_demo insert_data_demo.c -ltaos
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#include <inttypes.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 "taos.h"
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static int DemoInsertData() {
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// ANCHOR: insert_data
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const char *ip = "localhost";
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const char *user = "root";
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const char *password = "taosdata";
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// connect
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TAOS *taos = taos_connect(ip, user, password, NULL, 0);
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if (taos == NULL) {
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printf("failed to connect to server %s, reason: %s\n", ip, taos_errstr(NULL));
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taos_cleanup();
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return -1;
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}
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printf("success to connect server %s\n", ip);
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// use database
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TAOS_RES *result = taos_query(taos, "USE power");
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taos_free_result(result);
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// insert data, please make sure the database and table are already created
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const char* sql = "INSERT INTO " \
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"power.d1001 USING power.meters TAGS(2,'California.SanFrancisco') " \
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"VALUES " \
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"(NOW + 1a, 10.30000, 219, 0.31000) " \
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"(NOW + 2a, 12.60000, 218, 0.33000) " \
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"(NOW + 3a, 12.30000, 221, 0.31000) " \
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"power.d1002 USING power.meters TAGS(3, 'California.SanFrancisco') " \
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"VALUES " \
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"(NOW + 1a, 10.30000, 218, 0.25000) ";
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result = taos_query(taos, sql);
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int code = taos_errno(result);
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if (code != 0) {
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printf("failed to insert data to power.meters, ip: %s, reason: %s\n", ip, taos_errstr(result));
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taos_close(taos);
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taos_cleanup();
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return -1;
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}
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taos_free_result(result);
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// you can check affectedRows here
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int rows = taos_affected_rows(result);
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printf("success to insert %d rows data to power.meters\n", rows);
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// close & clean
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taos_close(taos);
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taos_cleanup();
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return 0;
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// ANCHOR_END: insert_data
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}
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int main(int argc, char *argv[]) {
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return DemoInsertData();
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}
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