blob: b2877dfa3c1c26beae830db2dd7ff15c7ba3d160 (
plain)
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set enable_seqscan=off;
CREATE TABLE test_float8 (
i float8
);
INSERT INTO test_float8 VALUES (-2),(-1),(0),(1),(2),(3);
CREATE INDEX idx_float8 ON test_float8 USING gin (i);
SELECT * FROM test_float8 WHERE i<1::float8 ORDER BY i;
i
----
-2
-1
0
(3 rows)
SELECT * FROM test_float8 WHERE i<=1::float8 ORDER BY i;
i
----
-2
-1
0
1
(4 rows)
SELECT * FROM test_float8 WHERE i=1::float8 ORDER BY i;
i
---
1
(1 row)
SELECT * FROM test_float8 WHERE i>=1::float8 ORDER BY i;
i
---
1
2
3
(3 rows)
SELECT * FROM test_float8 WHERE i>1::float8 ORDER BY i;
i
---
2
3
(2 rows)
explain (costs off)
SELECT * FROM test_float8 WHERE i<1::float4 ORDER BY i;
QUERY PLAN
---------------------------------------------
Sort
Sort Key: i
-> Bitmap Heap Scan on test_float8
Recheck Cond: (i < '1'::real)
-> Bitmap Index Scan on idx_float8
Index Cond: (i < '1'::real)
(6 rows)
SELECT * FROM test_float8 WHERE i<1::float4 ORDER BY i;
i
----
-2
-1
0
(3 rows)
SELECT * FROM test_float8 WHERE i<=1::float4 ORDER BY i;
i
----
-2
-1
0
1
(4 rows)
SELECT * FROM test_float8 WHERE i=1::float4 ORDER BY i;
i
---
1
(1 row)
SELECT * FROM test_float8 WHERE i>=1::float4 ORDER BY i;
i
---
1
2
3
(3 rows)
SELECT * FROM test_float8 WHERE i>1::float4 ORDER BY i;
i
---
2
3
(2 rows)
|
