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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/date.h>
/****************************************************************************
** The new date type
** This is identical to the old date type, but stored on 3 bytes instead of 4
** In number context: YYYYMMDD
****************************************************************************/
/*
Store string into a date field
SYNOPSIS
Field_newdate::store()
from Date string
len Length of date field
cs Character set (not used)
RETURN
0 ok
1 Value was cut during conversion
2 Wrong date string
3 Datetime value that was cut (warning level NOTE)
This is used by opt_range.cc:get_mm_leaf(). Note that there is a
nearly-identical class Field_date doesn't ever return 3 from its
store function.
*/
int Field_newdate::store(const char *from,
uint len,
CHARSET_INFO *cs __attribute__((unused)))
{
long tmp;
MYSQL_TIME l_time;
int error;
THD *thd= table ? table->in_use : current_thd;
enum enum_mysql_timestamp_type ret;
if ((ret= str_to_datetime(from, len, &l_time,
(TIME_FUZZY_DATE |
(thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
MODE_INVALID_DATES))),
&error)) <= MYSQL_TIMESTAMP_ERROR)
{
tmp= 0;
error= 2;
}
else
{
tmp= l_time.day + l_time.month*32 + l_time.year*16*32;
if (!error && (ret != MYSQL_TIMESTAMP_DATE) &&
(l_time.hour || l_time.minute || l_time.second || l_time.second_part))
error= 3; // Datetime was cut (note)
}
if (error)
set_datetime_warning(error == 3 ? MYSQL_ERROR::WARN_LEVEL_NOTE :
MYSQL_ERROR::WARN_LEVEL_WARN,
WARN_DATA_TRUNCATED,
from, len, MYSQL_TIMESTAMP_DATE, 1);
int3store(ptr, tmp);
return error;
}
int Field_newdate::store(double nr)
{
if (nr < 0.0 || nr > 99991231235959.0)
{
int3store(ptr,(int32_t) 0);
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
WARN_DATA_TRUNCATED, nr, MYSQL_TIMESTAMP_DATE);
return 1;
}
return Field_newdate::store((int64_t) rint(nr), false);
}
int Field_newdate::store(int64_t nr,
bool unsigned_val __attribute__((unused)))
{
MYSQL_TIME l_time;
int64_t tmp;
int error;
THD *thd= table ? table->in_use : current_thd;
if (number_to_datetime(nr, &l_time,
(TIME_FUZZY_DATE |
(thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
MODE_INVALID_DATES))),
&error) == -1LL)
{
tmp= 0L;
error= 2;
}
else
tmp= l_time.day + l_time.month*32 + l_time.year*16*32;
if (!error && l_time.time_type != MYSQL_TIMESTAMP_DATE &&
(l_time.hour || l_time.minute || l_time.second || l_time.second_part))
error= 3;
if (error)
set_datetime_warning(error == 3 ? MYSQL_ERROR::WARN_LEVEL_NOTE :
MYSQL_ERROR::WARN_LEVEL_WARN,
error == 2 ?
ER_WARN_DATA_OUT_OF_RANGE : WARN_DATA_TRUNCATED,
nr,MYSQL_TIMESTAMP_DATE, 1);
int3store(ptr,tmp);
return error;
}
int Field_newdate::store_time(MYSQL_TIME *ltime,timestamp_type time_type)
{
long tmp;
int error= 0;
if (time_type == MYSQL_TIMESTAMP_DATE ||
time_type == MYSQL_TIMESTAMP_DATETIME)
{
tmp=ltime->year*16*32+ltime->month*32+ltime->day;
if (check_date(ltime, tmp != 0,
(TIME_FUZZY_DATE |
(current_thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
MODE_INVALID_DATES))), &error))
{
char buff[MAX_DATE_STRING_REP_LENGTH];
String str(buff, sizeof(buff), &my_charset_latin1);
make_date((DATE_TIME_FORMAT *) 0, ltime, &str);
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, WARN_DATA_TRUNCATED,
str.ptr(), str.length(), MYSQL_TIMESTAMP_DATE, 1);
}
if (!error && ltime->time_type != MYSQL_TIMESTAMP_DATE &&
(ltime->hour || ltime->minute || ltime->second || ltime->second_part))
{
char buff[MAX_DATE_STRING_REP_LENGTH];
String str(buff, sizeof(buff), &my_charset_latin1);
make_datetime((DATE_TIME_FORMAT *) 0, ltime, &str);
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_NOTE,
WARN_DATA_TRUNCATED,
str.ptr(), str.length(), MYSQL_TIMESTAMP_DATE, 1);
error= 3;
}
}
else
{
tmp=0;
error= 1;
set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, WARN_DATA_TRUNCATED, 1);
}
int3store(ptr,tmp);
return error;
}
bool Field_newdate::send_binary(Protocol *protocol)
{
MYSQL_TIME tm;
Field_newdate::get_date(&tm,0);
return protocol->store_date(&tm);
}
double Field_newdate::val_real(void)
{
return (double) Field_newdate::val_int();
}
int64_t Field_newdate::val_int(void)
{
ulong j= uint3korr(ptr);
j= (j % 32L)+(j / 32L % 16L)*100L + (j/(16L*32L))*10000L;
return (int64_t) j;
}
String *Field_newdate::val_str(String *val_buffer,
String *val_ptr __attribute__((unused)))
{
val_buffer->alloc(field_length);
val_buffer->length(field_length);
uint32_t tmp=(uint32_t) uint3korr(ptr);
int part;
char *pos=(char*) val_buffer->ptr()+10;
/* Open coded to get more speed */
*pos--=0; // End NULL
part=(int) (tmp & 31);
*pos--= (char) ('0'+part%10);
*pos--= (char) ('0'+part/10);
*pos--= '-';
part=(int) (tmp >> 5 & 15);
*pos--= (char) ('0'+part%10);
*pos--= (char) ('0'+part/10);
*pos--= '-';
part=(int) (tmp >> 9);
*pos--= (char) ('0'+part%10); part/=10;
*pos--= (char) ('0'+part%10); part/=10;
*pos--= (char) ('0'+part%10); part/=10;
*pos= (char) ('0'+part);
return val_buffer;
}
bool Field_newdate::get_date(MYSQL_TIME *ltime,uint fuzzydate)
{
uint32_t tmp=(uint32_t) uint3korr(ptr);
ltime->day= tmp & 31;
ltime->month= (tmp >> 5) & 15;
ltime->year= (tmp >> 9);
ltime->time_type= MYSQL_TIMESTAMP_DATE;
ltime->hour= ltime->minute= ltime->second= ltime->second_part= ltime->neg= 0;
return ((!(fuzzydate & TIME_FUZZY_DATE) && (!ltime->month || !ltime->day)) ?
1 : 0);
}
bool Field_newdate::get_time(MYSQL_TIME *ltime)
{
return Field_newdate::get_date(ltime,0);
}
int Field_newdate::cmp(const uchar *a_ptr, const uchar *b_ptr)
{
uint32_t a,b;
a=(uint32_t) uint3korr(a_ptr);
b=(uint32_t) uint3korr(b_ptr);
return (a < b) ? -1 : (a > b) ? 1 : 0;
}
void Field_newdate::sort_string(uchar *to,uint length __attribute__((unused)))
{
to[0] = ptr[2];
to[1] = ptr[1];
to[2] = ptr[0];
}
void Field_newdate::sql_type(String &res) const
{
res.set_ascii(STRING_WITH_LEN("date"));
}
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