Drizzled Public API Documentation

key_part_spec.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/memory/sql_alloc.h>
00024 #include <drizzled/lex_string.h>
00025 
00026 namespace drizzled
00027 {
00028 
00029 namespace memory { class Root; }
00030 
00031 class Item;
00032 
00033 class Key_part_spec :public memory::SqlAlloc {
00034 public:
00035   LEX_STRING field_name;
00036   uint32_t length;
00037   Key_part_spec(const LEX_STRING &name, uint32_t len)
00038     : field_name(name), length(len)
00039   {}
00040   Key_part_spec(const char *name, const size_t name_len, uint32_t len)
00041     : length(len)
00042   { field_name.str= const_cast<char *>(name); field_name.length= name_len; }
00043   bool operator==(const Key_part_spec& other) const;
00053   Key_part_spec *clone(memory::Root *mem_root) const
00054   {
00055     return new (mem_root) Key_part_spec(*this);
00056   }
00057 };
00058 
00059 } /* namespace drizzled */
00060