Drizzled Public API Documentation

order.h
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2008 Sun Microsystems, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #pragma once
21 
22 #include <drizzled/field.h>
23 
24 namespace drizzled {
25 
26 /* Order clause list element */
27 class Order{
28 public:
29  struct Order *next;
30  Item **item; /* Point at item in select fields */
31  Item *item_ptr; /* Storage for initial item */
32  Item **item_copy; /* For SPs; the original item ptr */
33  int counter; /* position in SELECT list, correct
34  only if counter_used is true*/
35  bool asc; /* true if ascending */
36  bool free_me; /* true if item isn't shared */
37  bool in_field_list; /* true if in select field list */
38  bool counter_used; /* parameter was counter of columns */
39  Field *field; /* If tmp-table group */
40  char *buff; /* If tmp-table group */
41  table_map used, depend_map;
42 
43  Order():
44  next(NULL),
45  item(NULL),
46  item_ptr(NULL),
47  item_copy(NULL),
48  counter(0),
49  asc(false),
50  free_me(false),
51  in_field_list(false),
52  counter_used(false),
53  field(NULL),
54  buff(NULL),
55  used(0),
56  depend_map(0)
57  {}
58 };
59 } /* namespace drizzled */
60 
TODO: Rename this file - func.h is stupid.