Drizzled Public API Documentation

sysdate_local.h

00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 #include <drizzled/function/time/now.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 /*
00028   This is like NOW(), but always uses the real current time, not the
00029   query_start(). This matches the Oracle behavior.
00030 */
00031 class Item_func_sysdate_local :public Item_func_now
00032 {
00033 public:
00034   Item_func_sysdate_local() :Item_func_now() {}
00035   Item_func_sysdate_local(Item *a) :Item_func_now(a) {}
00036   bool const_item() const { return 0; }
00037   const char *func_name() const { return "sysdate"; }
00038   void store_now_in_TIME(type::Time &now_time);
00039   double val_real();
00040   int64_t val_int();
00041   int save_in_field(Field *to, bool no_conversions);
00042   String *val_str(String *str);
00043   void fix_length_and_dec();
00044   bool get_date(type::Time &res, uint32_t fuzzy_date);
00045   void update_used_tables()
00046   {
00047     Item_func_now::update_used_tables();
00048     used_tables_cache|= RAND_TABLE_BIT;
00049   }
00050 };
00051 
00052 } /* namespace drizzled */
00053