diff options
Diffstat (limited to 'src/backend/access/gist')
| -rw-r--r-- | src/backend/access/gist/gistproc.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/backend/access/gist/gistproc.c b/src/backend/access/gist/gistproc.c index 90458304f5b..b6f31d58185 100644 --- a/src/backend/access/gist/gistproc.c +++ b/src/backend/access/gist/gistproc.c @@ -533,6 +533,13 @@ gist_box_picksplit(PG_FUNCTION_ARGS) /* * Equality method + * + * This is used for boxes, circles, and polygons, all of which store + * boxes as GiST index entries. + * + * Returns true only when boxes are exactly the same. We can't use fuzzy + * comparisons here without breaking index consistency; therefore, this isn't + * equivalent to box_same(). */ Datum gist_box_same(PG_FUNCTION_ARGS) @@ -542,11 +549,10 @@ gist_box_same(PG_FUNCTION_ARGS) bool *result = (bool *) PG_GETARG_POINTER(2); if (b1 && b2) - *result = DatumGetBool(DirectFunctionCall2(box_same, - PointerGetDatum(b1), - PointerGetDatum(b2))); + *result = (b1->low.x == b2->low.x && b1->low.y == b2->low.y && + b1->high.x == b2->high.x && b1->high.y == b2->high.y); else - *result = (b1 == NULL && b2 == NULL) ? TRUE : FALSE; + *result = (b1 == NULL && b2 == NULL); PG_RETURN_POINTER(result); } |