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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/current_session.h>
#include <drizzled/session.h>
#include <drizzled/session/times.h>
#include <drizzled/temporal.h>
#include <drizzled/field.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);
ltime.reset();
ltime.time_type= type::DRIZZLE_TIMESTAMP_DATETIME;
store_now_in_TIME(ltime);
ltime.convert(value);
size_t length= type::Time::MAX_STRING_LENGTH;
ltime.convert(buff, length);
max_length= buff_length= 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;
uint32_t fractional_seconds= 0;
time_t tmp= session->times.getCurrentTimestampEpoch(fractional_seconds);
#if 0
now_time->store(tmp, fractional_seconds, true);
#endif
now_time.store(tmp, fractional_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)
{
uint32_t fractional_seconds= 0;
time_t tmp= current_session->times.getCurrentTimestampEpoch(fractional_seconds);
now_time.store(tmp, fractional_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(ltime, type::DRIZZLE_TIMESTAMP_DATETIME);
}
} /* namespace drizzled */
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