Remove unstable KNN SP-GiST test

6cae9d2c10 introduced test for NULL values in KNN SP-GiST.  This test relies on
undetermined ordering showing different results on various platforms.  This
commit removes that test.  Will be replaced with better test later.

Discussion: https://postgr.es/m/6d51305e1159241cabee132f7efc7eff%40xs4all.nl
Backpatch-through: 12

diff --git a/src/test/regress/expected/create_index_spgist.out b/src/test/regress/expected/create_index_spgist.out
index 5ccea915867703a5178d194a4da2c73b87f5a984..81b4a67c3909e59c0e58165d049644c510662716 100644 (file)
--- a/src/test/regress/expected/create_index_spgist.out
+++ b/src/test/regress/expected/create_index_spgist.out
@@ -555,16 +555,6 @@ WHERE seq.dist IS DISTINCT FROM idx.dist;
 ---+------+---+---+------+---
 (0 rows)
 
--- check ORDER BY distance to NULL
-SELECT (SELECT p FROM kd_point_tbl ORDER BY p <-> pt LIMIT 1)
-FROM (VALUES (point '1,2'), (NULL), ('1234,5678')) pts(pt);
-      p      
--------------
- (59,21)
- (9853,112)
- (1239,5647)
-(3 rows)
-
 EXPLAIN (COSTS OFF)
 SELECT count(*) FROM radix_text_tbl WHERE t = 'P0123456789abcdef';
                          QUERY PLAN                         

diff --git a/src/test/regress/sql/create_index_spgist.sql b/src/test/regress/sql/create_index_spgist.sql
index 629936fd3d49d24bf13791804c7e0fe3baee7892..66d77286356203ea613a6f2529e75760ee168cea 100644 (file)
--- a/src/test/regress/sql/create_index_spgist.sql
+++ b/src/test/regress/sql/create_index_spgist.sql
@@ -225,10 +225,6 @@ SELECT * FROM quad_point_tbl_ord_seq3 seq FULL JOIN kd_point_tbl_ord_idx3 idx
 ON seq.n = idx.n
 WHERE seq.dist IS DISTINCT FROM idx.dist;
 
--- check ORDER BY distance to NULL
-SELECT (SELECT p FROM kd_point_tbl ORDER BY p <-> pt LIMIT 1)
-FROM (VALUES (point '1,2'), (NULL), ('1234,5678')) pts(pt);
-
 
 EXPLAIN (COSTS OFF)
 SELECT count(*) FROM radix_text_tbl WHERE t = 'P0123456789abcdef';