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hybrid_type_traits.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/common.h>
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#include <drizzled/item_result.h>
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namespace
drizzled
{
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/* Hybryd_type_traits interface + default implementation for REAL_RESULT */
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class
Hybrid_type_traits
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{
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public
:
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virtual
Item_result type()
const
;
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virtual
void
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fix_length_and_dec(
Item
*item,
Item
*arg)
const
;
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/* Hybrid_type operations. */
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virtual
void
set_zero(
Hybrid_type
*val)
const
;
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virtual
void
add(
Hybrid_type
*val,
Field
*f)
const
;
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virtual
void
div(
Hybrid_type
*val, uint64_t u)
const
;
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virtual
int64_t val_int(
Hybrid_type
*val,
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bool
unsigned_flag)
const
;
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virtual
double
val_real(
Hybrid_type
*val)
const
;
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virtual
type::Decimal
*val_decimal(
Hybrid_type
*val,
type::Decimal
*buf)
const
;
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virtual
String
*val_str(
Hybrid_type
*val,
String
*buf,
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uint8_t decimals)
const
;
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static
const
Hybrid_type_traits
*instance();
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Hybrid_type_traits
();
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virtual
~
Hybrid_type_traits
();
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};
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}
/* namespace drizzled */
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drizzled::Hybrid_type
Definition:
hybrid_type.h:33
drizzled
TODO: Rename this file - func.h is stupid.
Definition:
abort_exception.h:27
drizzled::type::Decimal
Definition:
decimal.h:183
drizzled::Field
Definition:
field.h:68
drizzled::Item
Definition:
item.h:56
drizzled::Hybrid_type_traits
Definition:
hybrid_type_traits.h:29
drizzled::String
Definition:
sql_string.h:57
drizzled
hybrid_type_traits.h
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