Merge mysql.com:/home/dlenev/mysql-5.0-bg18437-3

into  mysql.com:/home/dlenev/mysql-5.1-bg18437

1 files changed, 8 insertions, 0 deletions

diff --git a/sql/sql_trigger.h b/sql/sql_trigger.h
index bddfd8c1f0c..55744dc4d2c 100644
--- a/sql/sql_trigger.h
+++ b/sql/sql_trigger.h
@@ -26,6 +26,11 @@ class Table_triggers_list: public Sql_alloc
   /* Triggers as SPs grouped by event, action_time */
   sp_head *bodies[TRG_EVENT_MAX][TRG_ACTION_MAX];
   /*
+    Heads of the lists linking items for all fields used in triggers
+    grouped by event and action_time.
+  */
+  Item_trigger_field *trigger_fields[TRG_EVENT_MAX][TRG_ACTION_MAX];
+  /*
     Copy of TABLE::Field array with field pointers set to TABLE::record[1]
     buffer instead of TABLE::record[0] (used for OLD values in on UPDATE
     trigger and DELETE trigger when it is called for REPLACE).
@@ -82,6 +87,7 @@ public:
     record1_field(0), table(table_arg)
   {
     bzero((char *)bodies, sizeof(bodies));
+    bzero((char *)trigger_fields, sizeof(trigger_fields));
     bzero((char *)&subject_table_grants, sizeof(subject_table_grants));
   }
   ~Table_triggers_list();
@@ -119,6 +125,8 @@ public:
 
   void set_table(TABLE *new_table);
 
+  void mark_fields_used(THD *thd, trg_event_type event);
+
   friend class Item_trigger_field;
   friend int sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
                                                             TABLE_LIST *table);