diff options
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/handler.h b/sql/handler.h index fbdd48fcc6d..076fffe142e 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -1516,6 +1516,10 @@ public: /* lock_count() can be more than one if the table is a MERGE */ virtual uint lock_count(void) const { return 1; } + /* + NOTE that one can NOT rely on table->in_use in store_lock(). It may + refer to a different thread if called from mysql_lock_abort_for_thread(). + */ virtual THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type)=0; |