1 /* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
2 
3    This program is free software; you can redistribute it and/or modify
4    it under the terms of the GNU General Public License as published by
5    the Free Software Foundation; version 2 of the License.
6 
7    This program is distributed in the hope that it will be useful,
8    but WITHOUT ANY WARRANTY; without even the implied warranty of
9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10    GNU General Public License for more details.
11 
12    You should have received a copy of the GNU General Public License
13    along with this program; if not, write to the Free Software
14    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335  USA */
15 
16 #ifndef SQL_UNION_INCLUDED
17 #define SQL_UNION_INCLUDED
18 
19 class THD;
20 class select_result;
21 struct LEX;
22 
23 typedef class st_select_lex_unit SELECT_LEX_UNIT;
24 
25 bool mysql_union(THD *thd, LEX *lex, select_result *result,
26                  SELECT_LEX_UNIT *unit, ulong setup_tables_done_option);
27 
28 
29 #endif /* SQL_UNION_INCLUDED */
30