/* Copyright (c) 2002, 2004-2006 MySQL AB
Use is subject to license terms
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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef _rt_index_h
#define _rt_index_h
#define rt_PAGE_FIRST_KEY(page, nod_flag) (page + 2 + nod_flag)
#define rt_PAGE_NEXT_KEY(key, key_length, nod_flag) (key + key_length + \
(nod_flag ? nod_flag : info->s->base.rec_reflength))
#define rt_PAGE_END(page) (page + mi_getint(page))
#define rt_PAGE_MIN_SIZE(block_length) ((uint)(block_length) / 3 )
int rtree_insert(MI_INFO *info, uint keynr, uchar *key, uint key_length);
int rtree_delete(MI_INFO *info, uint keynr, uchar *key, uint key_length);
int rtree_find_first(MI_INFO *info, uint keynr, uchar *key, uint key_length,
uint search_flag);
int rtree_find_next(MI_INFO *info, uint keynr, uint search_flag);
int rtree_get_first(MI_INFO *info, uint keynr, uint key_length);
int rtree_get_next(MI_INFO *info, uint keynr, uint key_length);
ha_rows rtree_estimate(MI_INFO *info, uint keynr, uchar *key,
uint key_length, uint flag);
int rtree_split_page(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key,
uint key_length, my_off_t *new_page_offs);
#endif /* _rt_index_h */
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