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boolean.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) 2010 Brian Aker
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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; either version 2 of the License, or
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* (at your option) any later version.
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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/charset.h>
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#include <drizzled/function/str/strfunc.h>
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namespace
drizzled {
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namespace
function {
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namespace
cast {
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class
Boolean
:
public
Item_str_func
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{
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public
:
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Boolean
(
Item
*a) :
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Item_str_func
(a)
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{}
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drizzled::String
*
val_str
(
drizzled::String
*value);
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void
fix_length_and_dec()
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{
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collation.set(&my_charset_bin);
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max_length=args[0]->max_length;
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}
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virtual
void
print
(
String
*str);
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const
char
*func_name()
const
{
return
"cast_as_boolean"
; }
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private
:
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String
*evaluate(
const
bool
&result,
String
*val_buffer);
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};
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}
// namespace cast
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}
// namespace function
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}
// namespace drizzled
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drizzled
function
cast
boolean.h
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