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fix: refine example demo.c (#22473) 

* fix: use latest version of jdbc connector

* fix: remove locale and timezone to avoid confusing user

* fix: update readme.md

* fix: refine demo.c
This commit is contained in:
Shuduo Sang 2023-08-18 00:19:27 +08:00 committed by GitHub
parent df6c93fdb0
commit 7440cccd58
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 6 deletions
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12
examples/c/demo.c
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@ -32,12 +32,12 @@ static void queryDB(TAOS *taos, char *command) {
taos_free_result(pSql);
pSql = NULL;
}
pSql = taos_query(taos, command);
code = taos_errno(pSql);
if (0 == code) {
break;
}
}
}
if (code != 0) {
@ -63,7 +63,7 @@ int main(int argc, char *argv[]) {
TAOS *taos = taos_connect(argv[1], "root", "taosdata", NULL, 0);
if (taos == NULL) {
printf("failed to connect to server, reason:%s\n", "null taos"/*taos_errstr(taos)*/);
printf("failed to connect to server, reason:%s\n", taos_errstr(NULL));
exit(1);
}
for (int i = 0; i < 100; i++) {
@ -86,14 +86,14 @@ void Test(TAOS *taos, char *qstr, int index) {
for (i = 0; i < 10; ++i) {
sprintf(qstr, "insert into m1 values (%" PRId64 ", %d, %d, %d, %d, %f, %lf, '%s')", (uint64_t)(1546300800000 + i * 1000), i, i, i, i*10000000, i*1.0, i*2.0, "hello");
printf("qstr: %s\n", qstr);
// note: how do you wanna do if taos_query returns non-NULL
// if (taos_query(taos, qstr)) {
// printf("insert row: %i, reason:%s\n", i, taos_errstr(taos));
// }
TAOS_RES *result1 = taos_query(taos, qstr);
if (result1 == NULL || taos_errno(result1) != 0) {
printf("failed to insert row, reason:%s\n", taos_errstr(result1));
printf("failed to insert row, reason:%s\n", taos_errstr(result1));
taos_free_result(result1);
exit(1);
} else {
@ -107,7 +107,7 @@ void Test(TAOS *taos, char *qstr, int index) {
sprintf(qstr, "SELECT * FROM m1");
result = taos_query(taos, qstr);
if (result == NULL || taos_errno(result) != 0) {
printf("failed to select, reason:%s\n", taos_errstr(result));
printf("failed to select, reason:%s\n", taos_errstr(result));
taos_free_result(result);
exit(1);
}