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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
*
* 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
*/
#ifndef DRIZZLED_FUNCTIONS_TIME_DATE_H
#define DRIZZLED_FUNCTIONS_TIME_DATE_H
#include <drizzled/functions/func.h>
#include <drizzled/functions/str/strfunc.h>
/*
This can't be a Item_str_func, because the val_real() functions are special
*/
class Item_date :public Item_func
{
public:
Item_date() :Item_func() {}
Item_date(Item *a) :Item_func(a) {}
enum Item_result result_type () const { return STRING_RESULT; }
enum_field_types field_type() const { return DRIZZLE_TYPE_DATE; }
String *val_str(String *str);
int64_t val_int();
double val_real() { return val_real_from_decimal(); }
const char *func_name() const { return "date"; }
void fix_length_and_dec()
{
collation.set(&my_charset_bin);
decimals=0;
max_length=MAX_DATE_WIDTH*MY_CHARSET_BIN_MB_MAXLEN;
}
Field *tmp_table_field(Table *table)
{
return tmp_table_field_from_field_type(table, 0);
}
bool result_as_int64_t() { return true; }
my_decimal *val_decimal(my_decimal *decimal_value)
{
assert(fixed == 1);
return val_decimal_from_date(decimal_value);
}
int save_in_field(Field *field,
bool no_conversions __attribute__((unused)))
{
return save_date_in_field(field);
}
};
class Item_date_func :public Item_str_func
{
public:
Item_date_func() :Item_str_func() {}
Item_date_func(Item *a) :Item_str_func(a) {}
Item_date_func(Item *a,Item *b) :Item_str_func(a,b) {}
Item_date_func(Item *a,Item *b, Item *c) :Item_str_func(a,b,c) {}
enum_field_types field_type() const { return DRIZZLE_TYPE_DATETIME; }
Field *tmp_table_field(Table *table)
{
return tmp_table_field_from_field_type(table, 0);
}
bool result_as_int64_t() { return true; }
double val_real() { return (double) val_int(); }
my_decimal *val_decimal(my_decimal *decimal_value)
{
assert(fixed == 1);
return val_decimal_from_date(decimal_value);
}
int save_in_field(Field *field,
bool no_conversions __attribute__((unused)))
{
return save_date_in_field(field);
}
};
#endif /* DRIZZLED_FUNCTIONS_TIME_DATE_H */
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