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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 MySQL
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation // gcc: Class implementation
#endif
#include <drizzled/field/year.h>
/****************************************************************************
** year type
** Save in a byte the year 0, 1901->2155
** Can handle 2 byte or 4 byte years!
****************************************************************************/
int Field_year::store(const char *from, uint len,CHARSET_INFO *cs)
{
char *end;
int error;
int64_t nr= cs->cset->strntoull10rnd(cs, from, len, 0, &end, &error);
if (nr < 0 || (nr >= 100 && nr <= 1900) || nr > 2155 ||
error == MY_ERRNO_ERANGE)
{
*ptr=0;
set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE, 1);
return 1;
}
if (table->in_use->count_cuted_fields &&
(error= check_int(cs, from, len, end, error)))
{
if (error == 1) /* empty or incorrect string */
{
*ptr= 0;
return 1;
}
error= 1;
}
if (nr != 0 || len != 4)
{
if (nr < YY_PART_YEAR)
nr+=100; // 2000 - 2069
else if (nr > 1900)
nr-= 1900;
}
*ptr= (char) (uchar) nr;
return error;
}
int Field_year::store(double nr)
{
if (nr < 0.0 || nr >= 2155.0)
{
(void) Field_year::store((int64_t) -1, false);
return 1;
}
return Field_year::store((int64_t) nr, false);
}
int Field_year::store(int64_t nr,
bool unsigned_val __attribute__((unused)))
{
if (nr < 0 || (nr >= 100 && nr <= 1900) || nr > 2155)
{
*ptr= 0;
set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE, 1);
return 1;
}
if (nr != 0 || field_length != 4) // 0000 -> 0; 00 -> 2000
{
if (nr < YY_PART_YEAR)
nr+=100; // 2000 - 2069
else if (nr > 1900)
nr-= 1900;
}
*ptr= (char) (uchar) nr;
return 0;
}
bool Field_year::send_binary(Protocol *protocol)
{
uint64_t tmp= Field_year::val_int();
return protocol->store_short(tmp);
}
double Field_year::val_real(void)
{
return (double) Field_year::val_int();
}
int64_t Field_year::val_int(void)
{
int tmp= (int) ptr[0];
if (field_length != 4)
tmp%=100; // Return last 2 char
else if (tmp)
tmp+=1900;
return (int64_t) tmp;
}
String *Field_year::val_str(String *val_buffer,
String *val_ptr __attribute__((unused)))
{
val_buffer->alloc(5);
val_buffer->length(field_length);
char *to=(char*) val_buffer->ptr();
sprintf(to,field_length == 2 ? "%02d" : "%04d",(int) Field_year::val_int());
return val_buffer;
}
void Field_year::sql_type(String &res) const
{
CHARSET_INFO *cs=res.charset();
res.length(cs->cset->snprintf(cs,(char*)res.ptr(),res.alloced_length(),
"year(%d)",(int) field_length));
}
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