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Adjust the read snapshot when max_read_stale_time is valid

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obdev
2023-06-05 08:56:46 +00:00
committed by ob-robot
parent a795853f8e
commit 843c5c9db3
4 changed files with 28 additions and 19 deletions
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4
src/sql/ob_sql_trans_control.cpp
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@ -642,7 +642,7 @@ int ObSqlTransControl::stmt_setup_snapshot_(ObSQLSessionInfo *session,
if (cl == ObConsistencyLevel::WEAK || cl == ObConsistencyLevel::FROZEN) {
SCN snapshot_version = SCN::min_scn();
if (OB_FAIL(txs->get_weak_read_snapshot_version(session->get_ob_max_read_stale_time(),
snapshot_version))) {
snapshot_version))) {
TRANS_LOG(WARN, "get weak read snapshot fail", KPC(txs));
int64_t stale_time = session->get_ob_max_read_stale_time();
int64_t refresh_interval = GCONF.weak_read_version_refresh_interval;
@ -1188,7 +1188,7 @@ int ObSqlTransControl::check_ls_readable(const uint64_t tenant_id,
|| max_stale_time_us <= -2) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ls_id), K(addr), K(max_stale_time_us));
} else if (-1 == max_stale_time_us) {
} else if (max_stale_time_us < 0) {
// no need check
can_read = true;
} else if (observer::ObServer::get_instance().get_self() == addr) {