diff options
Diffstat (limited to 'innobase/include/row0upd.h')
| -rw-r--r-- | innobase/include/row0upd.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/innobase/include/row0upd.h b/innobase/include/row0upd.h index 9a3e2463267..273ec6074eb 100644 --- a/innobase/include/row0upd.h +++ b/innobase/include/row0upd.h @@ -312,8 +312,11 @@ struct upd_node_struct{ ibool in_mysql_interface; /* TRUE if the update node was created for the MySQL interface */ + dict_foreign_t* foreign;/* NULL or pointer to a foreign key + constraint if this update node is used in + doing an ON DELETE or ON UPDATE operation */ upd_node_t* cascade_node;/* NULL or an update node template which - is used to implement ON DELETE CASCADE + is used to implement ON DELETE/UPDATE CASCADE or ... SET NULL for foreign keys */ mem_heap_t* cascade_heap;/* NULL or a mem heap where the cascade node is created */ |