diff options
Diffstat (limited to 'include/thr_lock.h')
| -rw-r--r-- | include/thr_lock.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/thr_lock.h b/include/thr_lock.h index a4ca6e6ddf2..77d428d1805 100644 --- a/include/thr_lock.h +++ b/include/thr_lock.h @@ -29,6 +29,14 @@ extern ulong locks_immediate,locks_waited ; enum thr_lock_type { TL_IGNORE=-1, TL_UNLOCK, /* UNLOCK ANY LOCK */ + /* + Parser only! At open_tables() becomes TL_READ or + TL_READ_NO_INSERT depending on the binary log format + (SBR/RBR) and on the table category (log table). + Used for tables that are read by statements which + modify tables. + */ + TL_READ_DEFAULT, TL_READ, /* Read lock */ TL_READ_WITH_SHARED_LOCKS, /* High prior. than TL_WRITE. Allow concurrent insert */ |