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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
*/
#pragma once
#include <drizzled/charset.h>
#include <drizzled/item/field.h>
#include <drizzled/item/ident.h>
namespace drizzled {
class Item_copy_string : public Item
{
enum enum_field_types cached_field_type;
public:
Item *item;
Item_copy_string(Item *i) :item(i)
{
null_value= maybe_null= item->maybe_null;
decimals=item->decimals;
max_length=item->max_length;
name=item->name;
cached_field_type= item->field_type();
}
enum Type type() const { return COPY_STR_ITEM; }
enum Item_result result_type () const { return STRING_RESULT; }
enum_field_types field_type() const { return cached_field_type; }
double val_real()
{
int err_not_used;
char *end_not_used;
return (null_value ? 0.0 :
my_strntod(str_value.charset(), (char*) str_value.ptr(),
str_value.length(), &end_not_used, &err_not_used));
}
int64_t val_int()
{
int err;
return null_value ? 0 : my_strntoll(str_value.charset(),str_value.ptr(),
str_value.length(),10, (char**) 0,
&err);
}
String *val_str(String*);
type::Decimal *val_decimal(type::Decimal *);
void make_field(SendField *field) { item->make_field(field); }
void copy();
int save_in_field(Field *field, bool)
{
return save_str_value_in_field(field, &str_value);
}
table_map used_tables() const { return (table_map) 1; }
bool const_item() const { return false; }
bool is_null() { return null_value; }
};
} /* namespace drizzled */
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