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localvar 2020-01-10 14:21:48 +08:00
parent 76ade60994
commit 244cfe217c
1 changed files with 5 additions and 1 deletions
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6
src/client/src/tscSub.c
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@ -323,6 +323,7 @@ TAOS_SUB *taos_subscribe(TAOS *taos, int restart, const char* topic, const char
pSub->interval = interval;
if (fp != NULL) {
tscTrace("asynchronize subscription, create new timer", topic);
pSub->fp = fp;
pSub->param = param;
taosTmrReset(tscProcessSubscriptionTimer, interval, pSub, tscTmr, &pSub->pTimer);
@ -343,17 +344,20 @@ TAOS_RES *taos_consume(TAOS_SUB *tsub) {
if (pSub->pTimer == NULL) {
int duration = (int)(taosGetTimestampMs() - pSub->lastConsumeTime);
if (duration < pSub->interval) {
tscTrace("subscription consume too frequently, blocking...");
taosMsleep(pSub->interval - (int32_t)duration);
}
}
if (taosGetTimestampMs() - pSub->lastSyncTime > 10 * 60 * 1000) {
tscTrace("begin meter synchronization");
char* sqlstr = pSql->sqlstr;
pSql->sqlstr = NULL;
taos_free_result_imp(pSql, 0);
pSql->sqlstr = sqlstr;
taosClearDataCache(tscCacheHandle);
if (!tscUpdateSubscription(pSub->taos, pSub)) return NULL;
tscTrace("meter synchronization completed");
} else {
uint16_t type = pSql->cmd.type;
taos_free_result_imp(pSql, 1);
@ -365,9 +369,9 @@ TAOS_RES *taos_consume(TAOS_SUB *tsub) {
pSql->cmd.type = type;
}
tscDoQuery(pSql);
if (pRes->code != TSDB_CODE_SUCCESS) {
tscError("failed to query data, error code=%d", pRes->code);
tscRemoveFromSqlList(pSql);
return NULL;
}