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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/function/str/strfunc.h>
namespace drizzled
{
class Item_func_make_set :public Item_str_func
{
Session &session;
Item *item;
String tmp_str;
public:
using Item::split_sum_func;
Item_func_make_set(Session &session_arg, Item *a, List<Item> &list) :
Item_str_func(list),
session(session_arg),
item(a) {}
String *val_str(String *str);
bool fix_fields(Session *session_arg, Item **ref)
{
assert(fixed == 0);
return ((!item->fixed && item->fix_fields(session_arg, &item)) ||
item->check_cols(1) ||
Item_func::fix_fields(session_arg, ref));
}
void split_sum_func(Session *session_arg, Item **ref_pointer_array, List<Item> &fields);
void fix_length_and_dec();
void update_used_tables();
const char *func_name() const { return "make_set"; }
bool walk(Item_processor processor, bool walk_subquery, unsigned char *arg)
{
return item->walk(processor, walk_subquery, arg) ||
Item_str_func::walk(processor, walk_subquery, arg);
}
Item *transform(Item_transformer transformer, unsigned char *arg);
virtual void print(String *str);
};
} /* namespace drizzled */
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