Drizzled Public API Documentation

bit_count.h

00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 
00021 #pragma once
00022 
00023 #include <drizzled/function/func.h>
00024 #include <drizzled/function/math/int.h>
00025 
00026 namespace drizzled
00027 {
00028 
00029 namespace utility_functions
00030 {
00031 
00032 class BitCount :public Item_int_func
00033 {
00034 public:
00035   BitCount() :
00036     Item_int_func() {}
00037 
00038   int64_t val_int();
00039   const char *func_name() const { return "bit_count"; }
00040   void fix_length_and_dec() { max_length=2; }
00041 };
00042 
00043 } /* namespace utility_functions */
00044 } /* namespace drizzled */
00045 
00046