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/* Copyright (c) 2006, 2010, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef SQL_UPDATE_INCLUDED
#define SQL_UPDATE_INCLUDED
#include "sql_class.h" /* enum_duplicates */
class Item;
struct TABLE_LIST;
class THD;
typedef class st_select_lex SELECT_LEX;
typedef class st_select_lex_unit SELECT_LEX_UNIT;
bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
Item **conds, uint order_num, ORDER *order);
bool check_unique_table(THD *thd, TABLE_LIST *table_list);
int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
List<Item> &values,COND *conds,
uint order_num, ORDER *order, ha_rows limit,
enum enum_duplicates handle_duplicates, bool ignore,
ha_rows *found_return, ha_rows *updated_return);
bool mysql_multi_update(THD *thd, TABLE_LIST *table_list,
List<Item> *fields, List<Item> *values,
COND *conds, ulonglong options,
enum enum_duplicates handle_duplicates, bool ignore,
SELECT_LEX_UNIT *unit, SELECT_LEX *select_lex,
multi_update **result);
bool records_are_comparable(const TABLE *table);
bool compare_record(const TABLE *table);
#endif /* SQL_UPDATE_INCLUDED */
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