diff options
Diffstat (limited to 'myisam/rt_mbr.c')
| -rw-r--r-- | myisam/rt_mbr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/myisam/rt_mbr.c b/myisam/rt_mbr.c index 1855e24feb0..deca23bbec7 100644 --- a/myisam/rt_mbr.c +++ b/myisam/rt_mbr.c @@ -523,7 +523,10 @@ double rtree_overlapping_area(HA_KEYSEG *keyseg, uchar* a, uchar* b, } /* -Calculates MBR_AREA(a+b) - MBR_AREA(a) + 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(HA_KEYSEG *keyseg, uchar* a, uchar* b, uint key_length, double *ab_area) |