This commit is contained in:
Hui Li 2020-07-01 10:08:11 +08:00
parent 63c44c379e
commit 37743a1fbf
1 changed files with 13 additions and 9 deletions

View File

@ -808,27 +808,31 @@ void *readMetric(void *sarg) {
} }
void queryDB(TAOS *taos, char *command) { void queryDB(TAOS *taos, char *command) {
int i = 5; int i;
TAOS_RES *pSql = NULL; TAOS_RES *pSql = NULL;
int32_t code = -1; int32_t code = -1;
while (i > 0 && code != 0) {
for (i = 0; i < 5; i++) {
if (NULL != pSql) {
taos_free_result(pSql);
pSql = NULL;
}
pSql = taos_query(taos, command); pSql = taos_query(taos, command);
code = taos_errno(pSql); code = taos_errno(pSql);
taos_free_result(pSql); if (0 == code) {
pSql = NULL;
if (code == 0) {
break; break;
} }
i--;
} }
if (code != 0) { if (code != 0) {
fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(pSql)); fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(pSql));
taos_free_result(pSql); taos_free_result(pSql);
taos_close(taos); taos_close(taos);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
taos_free_result(pSql);
} }
// sync insertion // sync insertion