1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2008 Sun Microsystems
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.
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.
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
20
#ifndef DRIZZLED_FUNCTION_TIME_DATE_H
21
#define DRIZZLED_FUNCTION_TIME_DATE_H
23
#include <drizzled/function/func.h>
24
#include <drizzled/function/str/strfunc.h>
26
This can't be a Item_str_func, because the val_real() functions are special
29
class Item_date :public Item_func
32
using Item_func::tmp_table_field;
34
Item_date() :Item_func() {}
35
Item_date(Item *a) :Item_func(a) {}
36
enum Item_result result_type () const { return STRING_RESULT; }
37
enum_field_types field_type() const { return DRIZZLE_TYPE_DATE; }
38
String *val_str(String *str);
40
double val_real() { return val_real_from_decimal(); }
41
const char *func_name() const { return "date"; }
42
void fix_length_and_dec()
44
collation.set(&my_charset_bin);
46
max_length=MAX_DATE_WIDTH*MY_CHARSET_BIN_MB_MAXLEN;
49
Field *tmp_table_field(Table *table)
51
return tmp_table_field_from_field_type(table, 0);
53
bool result_as_int64_t() { return true; }
54
my_decimal *val_decimal(my_decimal *decimal_value)
57
return val_decimal_from_date(decimal_value);
59
int save_in_field(Field *field,
62
return save_date_in_field(field);
66
class Item_date_func :public Item_str_func
69
Item_date_func() :Item_str_func() {}
70
Item_date_func(Item *a) :Item_str_func(a) {}
71
Item_date_func(Item *a,Item *b) :Item_str_func(a,b) {}
72
Item_date_func(Item *a,Item *b, Item *c) :Item_str_func(a,b,c) {}
73
enum_field_types field_type() const { return DRIZZLE_TYPE_DATETIME; }
75
using Item_func::tmp_table_field;
76
Field *tmp_table_field(Table *table)
78
return tmp_table_field_from_field_type(table, 0);
80
bool result_as_int64_t() { return true; }
81
double val_real() { return (double) val_int(); }
82
my_decimal *val_decimal(my_decimal *decimal_value)
85
return val_decimal_from_date(decimal_value);
87
int save_in_field(Field *field,
90
return save_date_in_field(field);
94
#endif /* DRIZZLED_FUNCTION_TIME_DATE_H */