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order.h
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <drizzled/field.h>
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namespace
drizzled {
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/* Order clause list element */
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class
Order
{
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public
:
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struct
Order
*next;
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Item
**item;
/* Point at item in select fields */
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Item
*item_ptr;
/* Storage for initial item */
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Item
**item_copy;
/* For SPs; the original item ptr */
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int
counter;
/* position in SELECT list, correct
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only if counter_used is true*/
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bool
asc;
/* true if ascending */
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bool
free_me;
/* true if item isn't shared */
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bool
in_field_list;
/* true if in select field list */
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bool
counter_used;
/* parameter was counter of columns */
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Field
*field;
/* If tmp-table group */
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char
*buff;
/* If tmp-table group */
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table_map used, depend_map;
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Order
():
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next(NULL),
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item(NULL),
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item_ptr(NULL),
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item_copy(NULL),
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counter(0),
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asc(
false
),
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free_me(
false
),
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in_field_list(
false
),
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counter_used(
false
),
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field(NULL),
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buff(NULL),
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used(0),
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depend_map(0)
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{}
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};
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}
/* namespace drizzled */
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drizzled::Order
Definition:
order.h:27
drizzled::Field
Definition:
field.h:68
drizzled::Item
Definition:
item.h:56
drizzled
order.h
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