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[TD-1961]<fix> modify return when call taos_query()

This commit is contained in:
Hui Li 2020-11-06 09:30:40 +08:00
parent 8e5835ae37
commit d553f4083a
1 changed files with 33 additions and 8 deletions
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41
tests/examples/c/asyncdemo.c
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@ -46,6 +46,34 @@ void taos_insert_call_back(void *param, TAOS_RES *tres, int code);
void taos_select_call_back(void *param, TAOS_RES *tres, int code);
void taos_error(TAOS *taos);
static void queryDB(TAOS *taos, char *command) {
int i;
TAOS_RES *pSql = NULL;
int32_t code = -1;
for (i = 0; i < 5; i++) {
if (NULL != pSql) {
taos_free_result(pSql);
pSql = NULL;
}
pSql = taos_query(taos, command);
code = taos_errno(pSql);
if (0 == code) {
break;
}
}
if (code != 0) {
fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(pSql));
taos_free_result(pSql);
taos_close(taos);
exit(EXIT_FAILURE);
}
taos_free_result(pSql);
}
int main(int argc, char *argv[])
{
TAOS *taos;
@ -78,16 +106,14 @@ int main(int argc, char *argv[])
printf("success to connect to server\n");
sprintf(sql, "drop database %s", db);
taos_query(taos, sql);
sprintf(sql, "drop database if exists %s", db);
queryDB(taos, sql);
sprintf(sql, "create database %s", db);
if (taos_query(taos, sql) != 0)
taos_error(taos);
queryDB(taos, sql);
sprintf(sql, "use %s", db);
if (taos_query(taos, sql) != 0)
taos_error(taos);
queryDB(taos, sql);
strcpy(prefix, "asytbl_");
for (i = 0; i < numOfTables; ++i) {
@ -95,8 +121,7 @@ int main(int argc, char *argv[])
tableList[i].taos = taos;
sprintf(tableList[i].name, "%s%d", prefix, i);
sprintf(sql, "create table %s%d (ts timestamp, volume bigint)", prefix, i);
if (taos_query(taos, sql) != 0)
taos_error(taos);
queryDB(taos, sql);
}
gettimeofday(&systemTime, NULL);