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mod c sample code

This commit is contained in:
Yaming Pei 2024-08-12 19:00:37 +08:00
parent 0eba0ff308
commit d30cda78d4
1 changed files with 8 additions and 8 deletions
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16
docs/examples/c/tmq_demo.c
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@ -118,14 +118,14 @@ static int32_t init_env() {
TAOS_RES* pRes;
// drop database if exists
fprintf(stdout, "Create database.\n");
pRes = taos_query(pConn, "drop topic if exists topic_meters");
pRes = taos_query(pConn, "DROP TOPIC IF EXISTS topic_meters");
code = taos_errno(pRes);
if (code != 0) {
fprintf(stderr, "Failed to drop topic_meters, ErrCode: 0x%x, ErrMessage: %s.\n", code, taos_errstr(pRes));
}
taos_free_result(pRes);
pRes = taos_query(pConn, "drop database if exists power");
pRes = taos_query(pConn, "DROP DATABASE IF EXISTS power");
code = taos_errno(pRes);
if (code != 0) {
fprintf(stderr, "Failed to drop database power, ErrCode: 0x%x, ErrMessage: %s.\n", code, taos_errstr(pRes));
@ -133,7 +133,7 @@ static int32_t init_env() {
taos_free_result(pRes);
// create database
pRes = taos_query(pConn, "create database power precision 'ms' WAL_RETENTION_PERIOD 3600");
pRes = taos_query(pConn, "CREATE DATABASE power PRECISION 'ms' WAL_RETENTION_PERIOD 3600");
code = taos_errno(pRes);
if (code != 0) {
fprintf(stderr, "Failed to create tmqdb, ErrCode: 0x%x, ErrMessage: %s.\n", code, taos_errstr(pRes));
@ -178,7 +178,7 @@ int32_t create_topic() {
return -1;
}
pRes = taos_query(pConn, "use power");
pRes = taos_query(pConn, "USE POWER");
code = taos_errno(pRes);
if (taos_errno(pRes) != 0) {
fprintf(stderr, "Failed to use tmqdb, ErrCode: 0x%x, ErrMessage: %s.\n", code, taos_errstr(pRes));
@ -362,7 +362,7 @@ void manual_commit(tmq_t* tmq) {
taos_free_result(tmqmsg);
break;
} else {
fprintf(stdout, "commit offset manually successfully.");
fprintf(stdout, "Commit offset manually successfully.\n");
}
// free the message
taos_free_result(tmqmsg);
@ -415,7 +415,7 @@ int main(int argc, char* argv[]) {
if ((code = tmq_subscribe(tmq, topic_list))) {
fprintf(stderr, "Failed to subscribe topic_list, ErrCode: 0x%x, ErrMessage: %s.\n", code, tmq_err2str(code));
} else {
fprintf(stdout, "subscribe topics successfully.\n");
fprintf(stdout, "Subscribe topics successfully.\n");
}
tmq_list_destroy(topic_list);
@ -433,7 +433,7 @@ int main(int argc, char* argv[]) {
if (code) {
fprintf(stderr, "Failed to unsubscribe consumer, ErrCode: 0x%x, ErrMessage: %s.\n", code, tmq_err2str(code));
} else {
fprintf(stderr, "consumer unsubscribed successfully.\n");
fprintf(stderr, "Consumer unsubscribed successfully.\n");
}
// close the consumer
@ -441,7 +441,7 @@ int main(int argc, char* argv[]) {
if (code) {
fprintf(stderr, "Failed to close consumer: %s.\n", tmq_err2str(code));
} else {
fprintf(stderr, "consumer closed successfully.\n");
fprintf(stderr, "Consumer closed successfully.\n");
}
// ANCHOR_END: unsubscribe_and_close