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48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/* Copyright (C) 2000 MySQL AB & Ramil Kalimullin & MySQL Finland AB
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& TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _rt_index_h
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#define _rt_index_h
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#ifdef HAVE_RTREE_KEYS
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#define rt_PAGE_FIRST_KEY(page, nod_flag) (page + 2 + nod_flag)
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#define rt_PAGE_NEXT_KEY(key, key_length, nod_flag) (key + key_length + \
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(nod_flag ? nod_flag : info->s->base.rec_reflength))
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#define rt_PAGE_END(page) (page + mi_getint(page))
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#define rt_PAGE_MIN_SIZE(block_length) ((uint)(block_length) / 3)
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int rtree_insert(MI_INFO *info, uint keynr, uchar *key, uint key_length);
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int rtree_delete(MI_INFO *info, uint keynr, uchar *key, uint key_length);
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int rtree_find_first(MI_INFO *info, uint keynr, uchar *key, uint key_length,
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uint search_flag);
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int rtree_find_next(MI_INFO *info, uint keynr, uint search_flag);
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int rtree_get_first(MI_INFO *info, uint keynr, uint key_length);
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int rtree_get_next(MI_INFO *info, uint keynr, uint key_length);
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ha_rows rtree_estimate(MI_INFO *info, uint keynr, uchar *key,
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uint key_length, uint flag);
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int rtree_split_page(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key,
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uint key_length, my_off_t *new_page_offs);
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#endif /*HAVE_RTREE_KEYS*/
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#endif /* _rt_index_h */
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