diff options
| -rw-r--r-- | storage/innobase/handler/ha_innodb.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index a27e1df5dfa..f33527b156d 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -14512,8 +14512,11 @@ ha_innobase::check( /* We must run the index record counts at an isolation level >= READ COMMITTED, because a dirty read can see a wrong number of records in some index; to play safe, we use always - REPEATABLE READ here */ - m_prebuilt->trx->isolation_level = TRX_ISO_REPEATABLE_READ; + REPEATABLE READ here (except when undo logs are unavailable) */ + m_prebuilt->trx->isolation_level = srv_force_recovery + >= SRV_FORCE_NO_UNDO_LOG_SCAN + ? TRX_ISO_READ_UNCOMMITTED + : TRX_ISO_REPEATABLE_READ; ut_ad(!m_prebuilt->table->corrupted); |