/* Copyright (c) 2006, 2011, 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 02110-1301 USA */

#ifndef SQL_DERIVED_INCLUDED
#define SQL_DERIVED_INCLUDED

struct TABLE_LIST;
class THD;
struct LEX;

bool mysql_handle_derived(LEX *lex, bool (*processor)(THD *thd, LEX *lex,
 TABLE_LIST *table));
bool mysql_handle_single_derived(LEX *lex, TABLE_LIST *derived,
 bool (*processor)(THD*, LEX*, TABLE_LIST*));
bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *t);
bool mysql_derived_optimize(THD *thd, LEX *lex, TABLE_LIST *t);
bool mysql_derived_create(THD *thd, LEX *lex, TABLE_LIST *t);
bool mysql_derived_materialize(THD *thd, LEX *lex, TABLE_LIST *t);
/**
 Cleans up the SELECT_LEX_UNIT for the derived table (if any).

 @param thd Thread handler
 @param lex LEX for this thread
 @param derived TABLE_LIST for the derived table

 @retval false Success
 @retval true Failure
*/
bool mysql_derived_cleanup(THD *thd, LEX *lex, TABLE_LIST *derived);

#endif /* SQL_DERIVED_INCLUDED */