key.h

/* Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.

   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 KEY_INCLUDED
#define KEY_INCLUDED

#include "my_global.h"                          /* uchar */

class String;
struct TABLE;
typedef struct st_bitmap MY_BITMAP;
typedef struct st_key KEY;
class KEY_PART_INFO;

void key_copy(uchar *to_key, uchar *from_record, KEY *key_info, uint key_length);
void key_restore(uchar *to_record, uchar *from_key, KEY *key_info,
                 uint key_length);
int key_cmp(KEY_PART_INFO *key_part, const uchar *key, uint key_length);
int key_cmp2(KEY_PART_INFO *key_part,
             const uchar *key1, uint key1_length,
             const uchar *key2, uint key2_length);
extern "C" int key_rec_cmp(void *key_info, uchar *a, uchar *b);

#endif /* KEY_INCLUDED */