Drizzled Public API Documentation

now.h
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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3  *
4  * Copyright (C) 2008 Sun Microsystems, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
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10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #pragma once
21 
22 #include <drizzled/function/time/date.h>
23 
24 #include <drizzled/temporal.h>
25 
26 namespace drizzled
27 {
28 
29 /* Abstract CURRENT_TIMESTAMP function. See also Item_func_curtime */
30 
32 {
33 protected:
34  int64_t value;
35  char buff[type::Time::MAX_STRING_LENGTH];
36  uint32_t buff_length;
37  type::Time ltime;
38  DateTime cached_temporal;
39 
40 public:
43  enum Item_result result_type () const { return STRING_RESULT; }
44  int64_t val_int() { assert(fixed == 1); return value; }
45  int save_in_field(Field *to, bool no_conversions);
46  String *val_str(String *str);
47  void fix_length_and_dec();
57  bool get_temporal(DateTime &temporal);
58  bool get_date(type::Time &res, uint32_t fuzzy_date);
59  virtual void store_now_in_TIME(type::Time &now_time)=0;
60 };
61 
63 {
64 public:
67  const char *func_name() const { return "now"; }
68  virtual void store_now_in_TIME(type::Time &now_time);
69  virtual enum Functype functype() const { return NOW_FUNC; }
70 };
71 
72 
74 {
75 public:
78  const char *func_name() const { return "utc_timestamp"; }
79  virtual void store_now_in_TIME(type::Time &now_time);
80 };
81 
82 } /* namespace drizzled */
83 
virtual void store_now_in_TIME(type::Time &now_time)
Definition: now.cc:63
virtual void store_now_in_TIME(type::Time &now_time)
Definition: now.cc:80
bool fixed
Definition: item.h:120
String * val_str(String *str)
Definition: now.cc:31
int64_t val_int()
Definition: now.h:44
bool get_date(type::Time &res, uint32_t fuzzy_date)
Definition: now.cc:93
bool get_temporal(DateTime &temporal)
Definition: now.cc:87