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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/charset.h>
#include <drizzled/field.h>
#include <drizzled/internal/m_string.h>
#include <drizzled/item/int.h>
namespace drizzled {
/**
Create an item from a string we KNOW points to a valid int64_t
end \\0 terminated number string.
This is always 'signed'. Unsigned values are created with Item_uint()
*/
Item_int::Item_int(const char *str_arg, uint32_t length)
{
char *end_ptr= (char*) str_arg + length;
int error;
value= internal::my_strtoll10(str_arg, &end_ptr, &error);
max_length= (uint32_t) (end_ptr - str_arg);
name= (char*) str_arg;
fixed= 1;
}
type::Decimal *Item_int::val_decimal(type::Decimal *decimal_value)
{
int2_class_decimal(E_DEC_FATAL_ERROR, value, unsigned_flag, decimal_value);
return decimal_value;
}
String *Item_int::val_str(String *str)
{
// following assert is redundant, because fixed=1 assigned in constructor
assert(fixed == 1);
str->set(value, &my_charset_bin);
return str;
}
void Item_int::print(String *str)
{
// my_charset_bin is good enough for numbers
str_value.set(value, &my_charset_bin);
str->append(str_value);
}
int Item_int::save_in_field(Field *field, bool)
{
int64_t nr=val_int();
if (null_value)
return set_field_to_null(field);
field->set_notnull();
return field->store(nr, unsigned_flag);
}
bool Item_int::eq(const Item *arg, bool) const
{
/* No need to check for null value as basic constant can't be NULL */
if (arg->basic_const_item() && arg->type() == type())
{
/*
We need to cast off const to call val_int(). This should be OK for
a basic constant.
*/
Item *item= (Item*) arg;
return item->val_int() == value && item->unsigned_flag == unsigned_flag;
}
return false;
}
} /* namespace drizzled */
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