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postgres/contrib/btree_gin/expected/float4.out

365 lines
5.5 KiB

set enable_seqscan=off;
CREATE TABLE test_float4 (
i float4
);
INSERT INTO test_float4 VALUES (-2),(-1),(0),(1),(2),(3);
CREATE INDEX idx_float4 ON test_float4 USING gin (i);
SELECT * FROM test_float4 WHERE i<1::float4 ORDER BY i;
i
----
-2
-1
0
(3 rows)
SELECT * FROM test_float4 WHERE i<=1::float4 ORDER BY i;
i
----
-2
-1
0
1
(4 rows)
SELECT * FROM test_float4 WHERE i=1::float4 ORDER BY i;
i
---
1
(1 row)
SELECT * FROM test_float4 WHERE i>=1::float4 ORDER BY i;
i
---
1
2
3
(3 rows)
SELECT * FROM test_float4 WHERE i>1::float4 ORDER BY i;
i
---
2
3
(2 rows)
explain (costs off)
SELECT * FROM test_float4 WHERE i<1::float8 ORDER BY i;
QUERY PLAN
-------------------------------------------------------
Sort
Sort Key: i
-> Bitmap Heap Scan on test_float4
Recheck Cond: (i < '1'::double precision)
-> Bitmap Index Scan on idx_float4
Index Cond: (i < '1'::double precision)
(6 rows)
SELECT * FROM test_float4 WHERE i<1::float8 ORDER BY i;
i
----
-2
-1
0
(3 rows)
SELECT * FROM test_float4 WHERE i<=1::float8 ORDER BY i;
i
----
-2
-1
0
1
(4 rows)
SELECT * FROM test_float4 WHERE i=1::float8 ORDER BY i;
i
---
1
(1 row)
SELECT * FROM test_float4 WHERE i>=1::float8 ORDER BY i;
i
---
1
2
3
(3 rows)
SELECT * FROM test_float4 WHERE i>1::float8 ORDER BY i;
i
---
2
3
(2 rows)
-- Check endpoint and out-of-range cases
INSERT INTO test_float4 VALUES ('NaN'), ('Inf'), ('-Inf');
SELECT gin_clean_pending_list('idx_float4');
gin_clean_pending_list
------------------------
1
(1 row)
SELECT * FROM test_float4 WHERE i<'-Inf'::float8 ORDER BY i;
i
---
(0 rows)
SELECT * FROM test_float4 WHERE i<='-Inf'::float8 ORDER BY i;
i
-----------
-Infinity
(1 row)
SELECT * FROM test_float4 WHERE i='-Inf'::float8 ORDER BY i;
i
-----------
-Infinity
(1 row)
SELECT * FROM test_float4 WHERE i>='-Inf'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
Infinity
NaN
(9 rows)
SELECT * FROM test_float4 WHERE i>'-Inf'::float8 ORDER BY i;
i
----------
-2
-1
0
1
2
3
Infinity
NaN
(8 rows)
SELECT * FROM test_float4 WHERE i<'Inf'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
(7 rows)
SELECT * FROM test_float4 WHERE i<='Inf'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
Infinity
(8 rows)
SELECT * FROM test_float4 WHERE i='Inf'::float8 ORDER BY i;
i
----------
Infinity
(1 row)
SELECT * FROM test_float4 WHERE i>='Inf'::float8 ORDER BY i;
i
----------
Infinity
NaN
(2 rows)
SELECT * FROM test_float4 WHERE i>'Inf'::float8 ORDER BY i;
i
-----
NaN
(1 row)
SELECT * FROM test_float4 WHERE i<'1e300'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
(7 rows)
SELECT * FROM test_float4 WHERE i<='1e300'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
(7 rows)
SELECT * FROM test_float4 WHERE i='1e300'::float8 ORDER BY i;
i
---
(0 rows)
SELECT * FROM test_float4 WHERE i>='1e300'::float8 ORDER BY i;
i
----------
Infinity
NaN
(2 rows)
SELECT * FROM test_float4 WHERE i>'1e300'::float8 ORDER BY i;
i
----------
Infinity
NaN
(2 rows)
SELECT * FROM test_float4 WHERE i<'NaN'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
Infinity
(8 rows)
SELECT * FROM test_float4 WHERE i<='NaN'::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
1
2
3
Infinity
NaN
(9 rows)
SELECT * FROM test_float4 WHERE i='NaN'::float8 ORDER BY i;
i
-----
NaN
(1 row)
SELECT * FROM test_float4 WHERE i>='NaN'::float8 ORDER BY i;
i
-----
NaN
(1 row)
SELECT * FROM test_float4 WHERE i>'NaN'::float8 ORDER BY i;
i
---
(0 rows)
-- Check rounding cases
-- 1e-300 rounds to 0 for float4 but not for float8
SELECT * FROM test_float4 WHERE i < -1e-300::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
(3 rows)
SELECT * FROM test_float4 WHERE i <= -1e-300::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
(3 rows)
SELECT * FROM test_float4 WHERE i = -1e-300::float8 ORDER BY i;
i
---
(0 rows)
SELECT * FROM test_float4 WHERE i > -1e-300::float8 ORDER BY i;
i
----------
0
1
2
3
Infinity
NaN
(6 rows)
SELECT * FROM test_float4 WHERE i >= -1e-300::float8 ORDER BY i;
i
----------
0
1
2
3
Infinity
NaN
(6 rows)
SELECT * FROM test_float4 WHERE i < 1e-300::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
(4 rows)
SELECT * FROM test_float4 WHERE i <= 1e-300::float8 ORDER BY i;
i
-----------
-Infinity
-2
-1
0
(4 rows)
SELECT * FROM test_float4 WHERE i = 1e-300::float8 ORDER BY i;
i
---
(0 rows)
SELECT * FROM test_float4 WHERE i > 1e-300::float8 ORDER BY i;
i
----------
1
2
3
Infinity
NaN
(5 rows)
SELECT * FROM test_float4 WHERE i >= 1e-300::float8 ORDER BY i;
i
----------
1
2
3
Infinity
NaN
(5 rows)