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/* Copyright (C) 2006 MySQL AB & Ramil Kalimullin & MySQL Finland AB
& TCX DataKonsult AB
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
#ifdef HAVE_RTREE_KEYS
#define rt_PAGE_FIRST_KEY(share, page, nod_flag) (page + share->keypage_header + nod_flag)
#define rt_PAGE_NEXT_KEY(share, key, key_length, nod_flag) (key + key_length +\
(nod_flag ? nod_flag : share->base.rec_reflength))
#define rt_PAGE_END(page) ((page)->buff + (page)->size)
#define rt_PAGE_MIN_SIZE(block_length) ((uint)(block_length - KEYPAGE_CHECKSUM_SIZE) / 3)
my_bool maria_rtree_insert(MARIA_HA *info, MARIA_KEY *key);
my_bool maria_rtree_delete(MARIA_HA *info, MARIA_KEY *key);
int maria_rtree_insert_level(MARIA_HA *info, MARIA_KEY *key,
int ins_level, my_off_t *root);
my_bool maria_rtree_real_delete(MARIA_HA *info, MARIA_KEY *key,
my_off_t *root);
int maria_rtree_find_first(MARIA_HA *info, MARIA_KEY *key, uint search_flag);
int maria_rtree_find_next(MARIA_HA *info, uint keynr, uint32 search_flag);
int maria_rtree_get_first(MARIA_HA *info, uint keynr, uint key_length);
int maria_rtree_get_next(MARIA_HA *info, uint keynr, uint key_length);
ha_rows maria_rtree_estimate(MARIA_HA *info, MARIA_KEY *key, uint32 flag);
int maria_rtree_split_page(const MARIA_KEY *key, MARIA_PAGE *page,
my_off_t *new_page_offs);
#endif /*HAVE_RTREE_KEYS*/
#endif /* _rt_index_h */
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