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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include "ord.h"
#include <drizzled/charset.h>
#include <drizzled/type/decimal.h>
namespace drizzled
{
int64_t Item_func_ord::val_int()
{
assert(fixed == 1);
String *res=args[0]->val_str(&value);
if (!res)
{
null_value=1;
return 0;
}
null_value=0;
if (!res->length()) return 0;
if (use_mb(res->charset()))
{
register const char *str=res->ptr();
register uint32_t n=0, l=my_ismbchar(res->charset(),str,str+res->length());
if (!l)
return (int64_t)((unsigned char) *str);
while (l--)
n=(n<<8)|(uint32_t)((unsigned char) *str++);
return (int64_t) n;
}
return (int64_t) ((unsigned char) (*res)[0]);
}
} /* namespace drizzled */
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