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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/datetime.h>
/****************************************************************************
** datetime type
** In string context: YYYY-MM-DD HH:MM:DD
** In number context: YYYYMMDDHHMMDD
** Stored as a 8 byte unsigned int. Should sometimes be change to a 6 byte int.
****************************************************************************/
int Field_datetime::store(const char *from,
uint len,
CHARSET_INFO *cs __attribute__((unused)))
{
DRIZZLE_TIME time_tmp;
int error;
uint64_t tmp= 0;
enum enum_drizzle_timestamp_type func_res;
THD *thd= table ? table->in_use : current_thd;
func_res= str_to_datetime(from, len, &time_tmp,
(TIME_FUZZY_DATE |
(thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE |
MODE_INVALID_DATES))),
&error);
if ((int) func_res > (int) DRIZZLE_TIMESTAMP_ERROR)
tmp= TIME_to_uint64_t_datetime(&time_tmp);
else
error= 1; // Fix if invalid zero date
if (error)
set_datetime_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE,
from, len, DRIZZLE_TIMESTAMP_DATETIME, 1);
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
{
int8store(ptr,tmp);
}
else
#endif
int64_tstore(ptr,tmp);
return error;
}
int Field_datetime::store(double nr)
{
int error= 0;
if (nr < 0.0 || nr > 99991231235959.0)
{
set_datetime_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE,
nr, DRIZZLE_TIMESTAMP_DATETIME);
nr= 0.0;
error= 1;
}
error|= Field_datetime::store((int64_t) rint(nr), false);
return error;
}
int Field_datetime::store(int64_t nr,
bool unsigned_val __attribute__((unused)))
{
DRIZZLE_TIME not_used;
int error;
int64_t initial_nr= nr;
THD *thd= table ? table->in_use : current_thd;
nr= number_to_datetime(nr, ¬_used, (TIME_FUZZY_DATE |
(thd->variables.sql_mode &
(MODE_NO_ZERO_IN_DATE |
MODE_NO_ZERO_DATE |
MODE_INVALID_DATES))), &error);
if (nr == -1LL)
{
nr= 0;
error= 2;
}
if (error)
set_datetime_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN,
error == 2 ? ER_WARN_DATA_OUT_OF_RANGE :
ER_WARN_DATA_TRUNCATED, initial_nr,
DRIZZLE_TIMESTAMP_DATETIME, 1);
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
{
int8store(ptr,nr);
}
else
#endif
int64_tstore(ptr,nr);
return error;
}
int Field_datetime::store_time(DRIZZLE_TIME *ltime,timestamp_type time_type)
{
int64_t tmp;
int error= 0;
/*
We don't perform range checking here since values stored in TIME
structure always fit into DATETIME range.
*/
if (time_type == DRIZZLE_TIMESTAMP_DATE ||
time_type == DRIZZLE_TIMESTAMP_DATETIME)
{
tmp=((ltime->year*10000L+ltime->month*100+ltime->day)*1000000LL+
(ltime->hour*10000L+ltime->minute*100+ltime->second));
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_datetime((DATE_TIME_FORMAT *) 0, ltime, &str);
set_datetime_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_TRUNCATED,
str.ptr(), str.length(), DRIZZLE_TIMESTAMP_DATETIME,1);
}
}
else
{
tmp=0;
error= 1;
set_warning(DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_TRUNCATED, 1);
}
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
{
int8store(ptr,tmp);
}
else
#endif
int64_tstore(ptr,tmp);
return error;
}
bool Field_datetime::send_binary(Protocol *protocol)
{
DRIZZLE_TIME tm;
Field_datetime::get_date(&tm, TIME_FUZZY_DATE);
return protocol->store(&tm);
}
double Field_datetime::val_real(void)
{
return (double) Field_datetime::val_int();
}
int64_t Field_datetime::val_int(void)
{
int64_t j;
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
j=sint8korr(ptr);
else
#endif
int64_tget(j,ptr);
return j;
}
String *Field_datetime::val_str(String *val_buffer,
String *val_ptr __attribute__((unused)))
{
val_buffer->alloc(field_length);
val_buffer->length(field_length);
uint64_t tmp;
long part1,part2;
char *pos;
int part3;
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
tmp=sint8korr(ptr);
else
#endif
int64_tget(tmp,ptr);
/*
Avoid problem with slow int64_t arithmetic and sprintf
*/
part1=(long) (tmp/1000000LL);
part2=(long) (tmp - (uint64_t) part1*1000000LL);
pos=(char*) val_buffer->ptr() + MAX_DATETIME_WIDTH;
*pos--=0;
*pos--= (char) ('0'+(char) (part2%10)); part2/=10;
*pos--= (char) ('0'+(char) (part2%10)); part3= (int) (part2 / 10);
*pos--= ':';
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos--= ':';
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos--= (char) ('0'+(char) part3);
*pos--= ' ';
*pos--= (char) ('0'+(char) (part1%10)); part1/=10;
*pos--= (char) ('0'+(char) (part1%10)); part1/=10;
*pos--= '-';
*pos--= (char) ('0'+(char) (part1%10)); part1/=10;
*pos--= (char) ('0'+(char) (part1%10)); part3= (int) (part1/10);
*pos--= '-';
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos--= (char) ('0'+(char) (part3%10)); part3/=10;
*pos=(char) ('0'+(char) part3);
return val_buffer;
}
bool Field_datetime::get_date(DRIZZLE_TIME *ltime, uint fuzzydate)
{
int64_t tmp=Field_datetime::val_int();
uint32_t part1,part2;
part1=(uint32_t) (tmp/1000000LL);
part2=(uint32_t) (tmp - (uint64_t) part1*1000000LL);
ltime->time_type= DRIZZLE_TIMESTAMP_DATETIME;
ltime->neg= 0;
ltime->second_part= 0;
ltime->second= (int) (part2%100);
ltime->minute= (int) (part2/100%100);
ltime->hour= (int) (part2/10000);
ltime->day= (int) (part1%100);
ltime->month= (int) (part1/100%100);
ltime->year= (int) (part1/10000);
return (!(fuzzydate & TIME_FUZZY_DATE) && (!ltime->month || !ltime->day)) ? 1 : 0;
}
bool Field_datetime::get_time(DRIZZLE_TIME *ltime)
{
return Field_datetime::get_date(ltime,0);
}
int Field_datetime::cmp(const uchar *a_ptr, const uchar *b_ptr)
{
int64_t a,b;
#ifdef WORDS_BIGENDIAN
if (table && table->s->db_low_byte_first)
{
a=sint8korr(a_ptr);
b=sint8korr(b_ptr);
}
else
#endif
{
int64_tget(a,a_ptr);
int64_tget(b,b_ptr);
}
return ((uint64_t) a < (uint64_t) b) ? -1 :
((uint64_t) a > (uint64_t) b) ? 1 : 0;
}
void Field_datetime::sort_string(uchar *to,uint length __attribute__((unused)))
{
#ifdef WORDS_BIGENDIAN
if (!table || !table->s->db_low_byte_first)
{
to[0] = ptr[0];
to[1] = ptr[1];
to[2] = ptr[2];
to[3] = ptr[3];
to[4] = ptr[4];
to[5] = ptr[5];
to[6] = ptr[6];
to[7] = ptr[7];
}
else
#endif
{
to[0] = ptr[7];
to[1] = ptr[6];
to[2] = ptr[5];
to[3] = ptr[4];
to[4] = ptr[3];
to[5] = ptr[2];
to[6] = ptr[1];
to[7] = ptr[0];
}
}
void Field_datetime::sql_type(String &res) const
{
res.set_ascii(STRING_WITH_LEN("datetime"));
}
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