mariadb/sql/sql_unions.cc
monty@hundin.mysql.fi a06f391e7a Fixed multi-table-delete
Optimize fixed length MyISAM rows to use pread/pwrite.
2001-06-15 05:03:15 +03:00

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1,013 B
C++

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & Monty & Sinisa
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 */
/* Union of selects */
#include "mysql_priv.h"
/*
Do a union of selects
*/
int mysql_union(THD *thd,LEX *lex,uint no_of_selects)
{
SELECT_LEX *sl;
for (sl=&lex->select_lex;sl;sl=sl->next)
{
}
return 0;
}