diff options
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sql/table.cc b/sql/table.cc index 01f96b5f93b..375f7a3f65f 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -343,6 +343,9 @@ TABLE_SHARE *alloc_table_share(const char *db, const char *table_name, mysql_mutex_init(key_TABLE_SHARE_LOCK_ha_data, &share->LOCK_ha_data, MY_MUTEX_INIT_FAST); + DBUG_EXECUTE_IF("simulate_big_table_id", + if (last_table_id < UINT_MAX32) + last_table_id= UINT_MAX32 - 1;); /* There is one reserved number that cannot be used. Remember to change this when 6-byte global table id's are introduced. @@ -351,7 +354,8 @@ TABLE_SHARE *alloc_table_share(const char *db, const char *table_name, { share->table_map_id= last_table_id.fetch_add(1, std::memory_order_relaxed); - } while (unlikely(share->table_map_id == ~0UL)); + } while (unlikely(share->table_map_id == ~0UL || + share->table_map_id == 0)); } DBUG_RETURN(share); } |