diff options
Diffstat (limited to 'storage/myisam')
| -rw-r--r-- | storage/myisam/ha_myisam.cc | 13 | ||||
| -rw-r--r-- | storage/myisam/ha_myisam.h | 3 |
2 files changed, 10 insertions, 6 deletions
diff --git a/storage/myisam/ha_myisam.cc b/storage/myisam/ha_myisam.cc index 06ec5c4b44e..cc6d2e9ae70 100644 --- a/storage/myisam/ha_myisam.cc +++ b/storage/myisam/ha_myisam.cc @@ -565,7 +565,8 @@ err: bool ha_myisam::check_if_locking_is_allowed(uint sql_command, ulong type, TABLE *table, - uint count, + uint count, uint current, + uint *system_count, bool called_by_privileged_thread) { /* @@ -574,11 +575,13 @@ bool ha_myisam::check_if_locking_is_allowed(uint sql_command, we have to disallow write-locking of these tables with any other tables. */ if (table->s->system_table && - table->reginfo.lock_type >= TL_WRITE_ALLOW_WRITE && - count != 1) + table->reginfo.lock_type >= TL_WRITE_ALLOW_WRITE) + (*system_count)++; + + /* 'current' is an index, that's why '<=' below. */ + if (*system_count > 0 && *system_count <= current) { - my_error(ER_WRONG_LOCK_OF_SYSTEM_TABLE, MYF(0), table->s->db.str, - table->s->table_name.str); + my_error(ER_WRONG_LOCK_OF_SYSTEM_TABLE, MYF(0)); return FALSE; } diff --git a/storage/myisam/ha_myisam.h b/storage/myisam/ha_myisam.h index 882900bd35f..175a61bd97c 100644 --- a/storage/myisam/ha_myisam.h +++ b/storage/myisam/ha_myisam.h @@ -62,7 +62,8 @@ class ha_myisam: public handler virtual bool check_if_locking_is_allowed(uint sql_command, ulong type, TABLE *table, - uint count, + uint count, uint current, + uint *system_count, bool called_by_logger_thread); int open(const char *name, int mode, uint test_if_locked); int close(void); |