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ord.cc
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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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#include <config.h>
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#include "ord.h"
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#include <drizzled/charset.h>
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#include <drizzled/type/decimal.h>
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namespace
drizzled
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{
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int64_t
Item_func_ord::val_int
()
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{
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assert(
fixed
== 1);
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String
*res=args[0]->
val_str
(&value);
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if
(!res)
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{
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null_value
=1;
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return
0;
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}
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null_value
=0;
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if
(!res->length())
return
0;
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if
(use_mb(res->charset()))
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{
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register
const
char
*str=res->ptr();
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register
uint32_t n=0, l=my_ismbchar(res->charset(),str,str+res->length());
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if
(!l)
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return
(int64_t)((
unsigned
char) *str);
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while
(l--)
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n=(n<<8)|(uint32_t)((
unsigned
char) *str++);
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return
(int64_t) n;
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}
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return
(int64_t) ((
unsigned
char) (*res)[0]);
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}
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}
/* namespace drizzled */
plugin
math_functions
ord.cc
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