1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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 DRIZZLED_MULTI_DELETE_H
#define DRIZZLED_MULTI_DELETE_H
class multi_delete :public select_result_interceptor
{
TableList *delete_tables, *table_being_deleted;
Unique **tempfiles;
ha_rows deleted, found;
uint32_t num_of_tables;
int error;
bool do_delete;
/* True if at least one table we delete from is transactional */
bool transactional_tables;
/* True if at least one table we delete from is not transactional */
bool normal_tables;
bool delete_while_scanning;
/*
error handling (rollback and binlogging) can happen in send_eof()
so that afterward send_error() needs to find out that.
*/
bool error_handled;
public:
multi_delete(TableList *dt, uint32_t num_of_tables);
~multi_delete();
int prepare(List<Item> &list, Select_Lex_Unit *u);
bool send_data(List<Item> &items);
bool initialize_tables (JOIN *join);
void send_error(uint32_t errcode,const char *err);
int do_deletes();
bool send_eof();
virtual void abort();
};
#endif /* DRIZZLED_MULTI_DELETE_H */
|