mysql5/mysql-5.7.27/sql/sql_trigger.h

63 lines
2.2 KiB
C++

#ifndef SQL_TRIGGER_INCLUDED
#define SQL_TRIGGER_INCLUDED
/*
Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
///////////////////////////////////////////////////////////////////////////
/**
@file
@brief
This file contains declarations of global public functions which are used
directly from parser/executioner to perform basic operations on triggers
(CREATE TRIGGER, DROP TRIGGER, ALTER TABLE, DROP TABLE, ...)
*/
///////////////////////////////////////////////////////////////////////////
#include "m_string.h"
class THD;
struct TABLE_LIST;
///////////////////////////////////////////////////////////////////////////
bool mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create);
bool add_table_for_trigger(THD *thd,
const LEX_CSTRING &db_name,
const LEX_STRING &trigger_name,
bool continue_if_not_exist,
TABLE_LIST **table);
bool change_trigger_table_name(THD *thd,
const char *db_name,
const char *table_alias,
const char *table_name,
const char *new_db_name,
const char *new_table_name);
bool drop_all_triggers(THD *thd,
const char *db_name,
const char *table_name);
///////////////////////////////////////////////////////////////////////////
#endif /* SQL_TRIGGER_INCLUDED */