contrib/btree_gin/expected/int4.out - master - githubmirror/postgres

contrib/btree_gin/expected/int4.out
143 строки2 KB
Tom Lane
Add cross-type comparisons to contrib/btree_gin.
03 июл 2025, 23:24
03 июл 2025, 23:24e2b64fc
set enable_seqscan=off;
CREATE TABLE test_int4 (
	i int4
);
INSERT INTO test_int4 VALUES (-2),(-1),(0),(1),(2),(3);
CREATE INDEX idx_int4 ON test_int4 USING gin (i);
SELECT * FROM test_int4 WHERE i<1::int4 ORDER BY i;
 i  
----
 -2
 -1
  0
(3 rows)

SELECT * FROM test_int4 WHERE i<=1::int4 ORDER BY i;
 i  
----
 -2
 -1
  0
  1
(4 rows)

SELECT * FROM test_int4 WHERE i=1::int4 ORDER BY i;
 i 
---
 1
(1 row)

SELECT * FROM test_int4 WHERE i>=1::int4 ORDER BY i;
 i 
---
 1
 2
 3
(3 rows)

SELECT * FROM test_int4 WHERE i>1::int4 ORDER BY i;
 i 
---
 2
 3
(2 rows)

explain (costs off)
SELECT * FROM test_int4 WHERE i<1::int2 ORDER BY i;
                  QUERY PLAN                   
-----------------------------------------------
 Sort
   Sort Key: i
   ->  Bitmap Heap Scan on test_int4
         Recheck Cond: (i < '1'::smallint)
         ->  Bitmap Index Scan on idx_int4
               Index Cond: (i < '1'::smallint)
(6 rows)

SELECT * FROM test_int4 WHERE i<1::int2 ORDER BY i;
 i  
----
 -2
 -1
  0
(3 rows)

SELECT * FROM test_int4 WHERE i<=1::int2 ORDER BY i;
 i  
----
 -2
 -1
  0
  1
(4 rows)

SELECT * FROM test_int4 WHERE i=1::int2 ORDER BY i;
 i 
---
 1
(1 row)

SELECT * FROM test_int4 WHERE i>=1::int2 ORDER BY i;
 i 
---
 1
 2
 3
(3 rows)

SELECT * FROM test_int4 WHERE i>1::int2 ORDER BY i;
 i 
---
 2
 3
(2 rows)

explain (costs off)
SELECT * FROM test_int4 WHERE i<1::int8 ORDER BY i;
                 QUERY PLAN                  
---------------------------------------------
 Sort
   Sort Key: i
   ->  Bitmap Heap Scan on test_int4
         Recheck Cond: (i < '1'::bigint)
         ->  Bitmap Index Scan on idx_int4
               Index Cond: (i < '1'::bigint)
(6 rows)

SELECT * FROM test_int4 WHERE i<1::int8 ORDER BY i;
 i  
----
 -2
 -1
  0
(3 rows)

SELECT * FROM test_int4 WHERE i<=1::int8 ORDER BY i;
 i  
----
 -2
 -1
  0
  1
(4 rows)

SELECT * FROM test_int4 WHERE i=1::int8 ORDER BY i;
 i 
---
 1
(1 row)

SELECT * FROM test_int4 WHERE i>=1::int8 ORDER BY i;
 i 
---
 1
 2
 3
(3 rows)

SELECT * FROM test_int4 WHERE i>1::int8 ORDER BY i;
 i 
---
 2
 3
(2 rows)