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decimal_typecast.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/function/func.h>
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#include <drizzled/type/decimal.h>
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namespace
drizzled
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{
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class
Item_decimal_typecast
:
public
Item_func
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{
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type::Decimal
decimal_value;
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public
:
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Item_decimal_typecast
(
Item
*a,
int
len,
int
dec) :
Item_func
(a)
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{
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decimals= dec;
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max_length= class_decimal_precision_to_length(len, dec, unsigned_flag);
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}
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String
*
val_str
(
String
*str);
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double
val_real
();
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int64_t
val_int
();
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type::Decimal
*
val_decimal
(
type::Decimal
*);
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enum
Item_result result_type ()
const
{
return
DECIMAL_RESULT; }
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enum_field_types field_type()
const
{
return
DRIZZLE_TYPE_DECIMAL; }
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void
fix_length_and_dec() {};
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const
char
*func_name()
const
{
return
"decimal_typecast"
; }
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virtual
void
print
(
String
*str);
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};
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}
/* namespace drizzled */
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drizzled
function
math
decimal_typecast.h
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