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mirror of https://github.com/MariaDB/server.git synced 2025-12-24 11:21:21 +03:00

Merge mysql.com:/windows/Linux_space/MySQL/mysql-5.0

into  mysql.com:/windows/Linux_space/MySQL/mysql-5.0-ndb
This commit is contained in:
mskold/marty@mysql.com/linux.site
2007-04-05 08:39:12 +02:00
11 changed files with 418 additions and 8 deletions

View File

@@ -329,6 +329,51 @@ static int check_update_fields(THD *thd, TABLE_LIST *insert_table_list,
}
/*
Prepare triggers for INSERT-like statement.
SYNOPSIS
prepare_triggers_for_insert_stmt()
thd The current thread
table Table to which insert will happen
duplic Type of duplicate handling for insert which will happen
NOTE
Prepare triggers for INSERT-like statement by marking fields
used by triggers and inform handlers that batching of UPDATE/DELETE
cannot be done if there are BEFORE UPDATE/DELETE triggers.
*/
void prepare_triggers_for_insert_stmt(THD *thd, TABLE *table,
enum_duplicates duplic)
{
if (table->triggers)
{
if (table->triggers->has_triggers(TRG_EVENT_DELETE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER DELETE triggers that might access to
subject table and therefore might need delete to be done
immediately. So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_DELETE_CANNOT_BATCH);
}
if (table->triggers->has_triggers(TRG_EVENT_UPDATE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER UPDATE triggers that might access to subject
table and therefore might need update to be done immediately.
So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_UPDATE_CANNOT_BATCH);
}
mark_fields_used_by_triggers_for_insert_stmt(thd, table, duplic);
}
}
/*
Mark fields used by triggers for INSERT-like statement.
@@ -589,7 +634,7 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
(MODE_STRICT_TRANS_TABLES |
MODE_STRICT_ALL_TABLES)));
mark_fields_used_by_triggers_for_insert_stmt(thd, table, duplic);
prepare_triggers_for_insert_stmt(thd, table, duplic);
if (table_list->prepare_where(thd, 0, TRUE) ||
table_list->prepare_check_option(thd))
@@ -2528,8 +2573,8 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
table_list->prepare_check_option(thd));
if (!res)
mark_fields_used_by_triggers_for_insert_stmt(thd, table,
info.handle_duplicates);
prepare_triggers_for_insert_stmt(thd, table,
info.handle_duplicates);
DBUG_RETURN(res);
}