diff options
Diffstat (limited to 'storage/innobase/include/gis0geo.h')
| -rw-r--r-- | storage/innobase/include/gis0geo.h | 44 |
1 files changed, 8 insertions, 36 deletions
diff --git a/storage/innobase/include/gis0geo.h b/storage/innobase/include/gis0geo.h index dea6d63f4e0..3fd01a3ae54 100644 --- a/storage/innobase/include/gis0geo.h +++ b/storage/innobase/include/gis0geo.h @@ -1,6 +1,6 @@ /***************************************************************************** Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. -Copyright (c) 2019, MariaDB Corporation. +Copyright (c) 2019, 2020, MariaDB Corporation. 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 @@ -106,45 +106,17 @@ split_rtree_node( int n_dim, /*!< in: dimensions. */ uchar* first_rec); /*!< in: the first rec. */ -/*************************************************************//** -Compares two keys a and b depending on nextflag -nextflag can contain these flags: +/** Compare two minimum bounding rectangles. +@param mode comparison operator MBR_INTERSECT(a,b) a overlaps b MBR_CONTAIN(a,b) a contains b MBR_DISJOINT(a,b) a disjoint b MBR_WITHIN(a,b) a within b MBR_EQUAL(a,b) All coordinates of MBRs are equal MBR_DATA(a,b) Data reference is the same -Returns 0 on success. */ -int -rtree_key_cmp( -/*==========*/ - page_cur_mode_t mode, /*!< in: compare method. */ - const uchar* b, /*!< in: first key. */ - int b_len, /*!< in: first key len. */ - const uchar* a, /*!< in: second key. */ - int a_len); /*!< in: second key len. */ - -/*************************************************************//** -Calculates MBR_AREA(a+b) - MBR_AREA(a) -Note: when 'a' and 'b' objects are far from each other, -the area increase can be really big, so this function -can return 'inf' as a result. */ -double -rtree_area_increase( - const uchar* a, /*!< in: first mbr. */ - const uchar* b, /*!< in: second mbr. */ - int a_len, /*!< in: mbr length. */ - double* ab_area); /*!< out: increased area. */ - -/** Calculates overlapping area -@param[in] a mbr a -@param[in] b mbr b -@param[in] mbr_len mbr length -@return overlapping area */ -double -rtree_area_overlapping( - const uchar* a, - const uchar* b, - int mbr_len); +@param b first MBR +@param a second MBR +@retval 0 if the predicate holds +@retval 1 if the precidate does not hold */ +int rtree_key_cmp(page_cur_mode_t mode, const void *b, const void *a); #endif |