mariadb/sql/opt_ft.h
monty@mashka.mysql.fi c95d142f8f Add new user variables for tuning memory usage:
query_alloc_block_size, query_prealloc_size, range_alloc_block_size,transaction_alloc_block_size and transaction_prealloc_size
Add more checks for "out of memory" detection in range optimization
2003-10-11 22:00:24 +03:00

41 lines
1.3 KiB
C++

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* classes to use when handling where clause */
#ifndef _opt_ft_h
#define _opt_ft_h
#ifdef __GNUC__
#pragma interface /* gcc class implementation */
#endif
class FT_SELECT: public QUICK_SELECT {
public:
TABLE_REF *ref;
FT_SELECT(THD *thd, TABLE *table, TABLE_REF *tref) :
QUICK_SELECT (thd, table, tref->key, 1), ref(tref) { init(); }
int init() { return error=file->ft_init(); }
int get_next() { return error=file->ft_read(record); }
};
QUICK_SELECT *get_ft_or_quick_select_for_ref(THD *thd, TABLE *table,
JOIN_TAB *tab);
#endif