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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 <drizzled/function/time/now.h>
#include <drizzled/session.h>
#include "drizzled/temporal.h"
namespace drizzled
{
String *Item_func_now::val_str(String *)
{
assert(fixed == 1);
str_value.set(buff, buff_length, &my_charset_bin);
return &str_value;
}
void Item_func_now::fix_length_and_dec()
{
decimals= DATETIME_DEC;
collation.set(&my_charset_bin);
memset(<ime, 0, sizeof(type::Time));
ltime.time_type= DRIZZLE_TIMESTAMP_DATETIME;
store_now_in_TIME(<ime);
value= (int64_t) TIME_to_uint64_t_datetime(<ime);
buff_length= (uint) my_datetime_to_str(<ime, buff);
max_length= buff_length;
}
/**
Converts current time in time_t to type::Time represenatation for local
time zone. Defines time zone (local) used for whole NOW function.
*/
void Item_func_now_local::store_now_in_TIME(type::Time *now_time)
{
Session *session= current_session;
time_t tmp= session->query_start();
(void) cached_temporal.from_time_t(tmp);
now_time->year= cached_temporal.years();
now_time->month= cached_temporal.months();
now_time->day= cached_temporal.days();
now_time->hour= cached_temporal.hours();
now_time->minute= cached_temporal.minutes();
now_time->second= cached_temporal.seconds();
}
/**
Converts current time in time_t to type::Time represenatation for UTC
time zone. Defines time zone (UTC) used for whole UTC_TIMESTAMP function.
*/
void Item_func_now_utc::store_now_in_TIME(type::Time *now_time)
{
Session *session= current_session;
time_t tmp= session->query_start();
(void) cached_temporal.from_time_t(tmp);
now_time->year= cached_temporal.years();
now_time->month= cached_temporal.months();
now_time->day= cached_temporal.days();
now_time->hour= cached_temporal.hours();
now_time->minute= cached_temporal.minutes();
now_time->second= cached_temporal.seconds();
}
bool Item_func_now::get_temporal(DateTime &to)
{
to= cached_temporal;
return true;
}
bool Item_func_now::get_date(type::Time *res,
uint32_t )
{
*res= ltime;
return 0;
}
int Item_func_now::save_in_field(Field *to, bool )
{
to->set_notnull();
return to->store_time(<ime, DRIZZLE_TIMESTAMP_DATETIME);
}
} /* namespace drizzled */
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