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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_DERIVED_INCLUDED
#define SQL_DERIVED_INCLUDED

struct TABLE_LIST;
class THD;
struct LEX;

bool mysql_handle_derived(LEX *lex, uint phases);
bool mysql_handle_single_derived(LEX *lex, TABLE_LIST *derived, uint phases);

Item *transform_condition_or_part(THD *thd,
                                  Item *cond,
                                  Item_transformer transformer,
                                  uchar *arg);

bool pushdown_cond_for_derived(THD *thd, Item *cond, TABLE_LIST *derived);

#endif /* SQL_DERIVED_INCLUDED */

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