diff options
Diffstat (limited to 'storage/maria/ma_rt_mbr.h')
| -rw-r--r-- | storage/maria/ma_rt_mbr.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/storage/maria/ma_rt_mbr.h b/storage/maria/ma_rt_mbr.h new file mode 100644 index 00000000..5583947c --- /dev/null +++ b/storage/maria/ma_rt_mbr.h @@ -0,0 +1,40 @@ +/* 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_mbr_h +#define _rt_mbr_h + +#ifdef HAVE_RTREE_KEYS + +int maria_rtree_key_cmp(HA_KEYSEG *keyseg, const uchar *a, const uchar *b, + uint key_length, uint32 nextflag); +int maria_rtree_combine_rect(const HA_KEYSEG *keyseg, + const uchar *, const uchar *, uchar*, + uint key_length); +double maria_rtree_rect_volume(HA_KEYSEG *keyseg, uchar*, uint key_length); +int maria_rtree_d_mbr(const HA_KEYSEG *keyseg, const uchar *a, + uint key_length, double *res); +double maria_rtree_overlapping_area(HA_KEYSEG *keyseg, uchar *a, uchar *b, + uint key_length); +double maria_rtree_area_increase(const HA_KEYSEG *keyseg, const uchar *a, + const uchar *b, + uint key_length, double *ab_area); +double maria_rtree_perimeter_increase(HA_KEYSEG *keyseg, uchar* a, uchar* b, + uint key_length, double *ab_perim); +int maria_rtree_page_mbr(const HA_KEYSEG *keyseg, MARIA_PAGE *page, + uchar *key, uint key_length); +#endif /*HAVE_RTREE_KEYS*/ +#endif /* _rt_mbr_h */ |