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