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fix: refine example demo.c #22473

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merged 6 commits into from
Aug 17, 2023
Merged

fix: refine example demo.c #22473

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70dfc6c
fix: use latest version of jdbc connector
sangshuduo Jul 22, 2023
c70cb0b
Merge branch 'main' into fix/sangshuduo/refine-example
sangshuduo Aug 4, 2023
103def5
fix: remove locale and timezone to avoid confusing user
sangshuduo Aug 4, 2023
ea03adb
fix: update readme.md
sangshuduo Aug 4, 2023
d7afcd6
Merge branch 'main' into fix/sangshuduo/refine-example
sangshuduo Aug 17, 2023
21a2205
fix: refine demo.c
sangshuduo Aug 17, 2023
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12 changes: 6 additions & 6 deletions examples/c/demo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
Expand All @@ -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++) {
Expand All @@ -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 {
Expand All @@ -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);
}
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