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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
*
* 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
*/
#ifndef DRIZZLED_KEY_PART_SPEC_H
#define DRIZZLED_KEY_PART_SPEC_H
#include <drizzled/sql_alloc.h>
class Item;
typedef struct st_mem_root MEM_ROOT;
class Key_part_spec :public Sql_alloc {
public:
LEX_STRING field_name;
uint32_t length;
Key_part_spec(const LEX_STRING &name, uint32_t len)
: field_name(name), length(len)
{}
Key_part_spec(const char *name, const size_t name_len, uint32_t len)
: length(len)
{ field_name.str= (char *)name; field_name.length= name_len; }
bool operator==(const Key_part_spec& other) const;
/**
Construct a copy of this Key_part_spec. field_name is copied
by-pointer as it is known to never change. At the same time
'length' may be reset in mysql_prepare_create_table, and this
is why we supply it with a copy.
@return If out of memory, 0 is returned and an error is set in
Session.
*/
Key_part_spec *clone(MEM_ROOT *mem_root) const
{ return new (mem_root) Key_part_spec(*this); }
};
#endif /* DRIZZLED_KEY_PART_SPEC_H */
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