rum/sql/float4.sql at master · postgrespro/rum · GitHub

Name: rum/sql/float4.sql at master · postgrespro/rum · GitHub
Rating: 4.8 (4949 reviews)
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set enable_seqscan=off;

CREATETABLEtest_float4 (
 i float4
);

INSERT INTO test_float4 VALUES (-2),(-1),(0),(1),(2),(3);

CREATEINDEXidx_float4ON test_float4 USING rum (i);

SELECT*FROM test_float4 WHERE i<1::float4 ORDER BY i;
SELECT*FROM test_float4 WHERE i<=1::float4 ORDER BY i;
SELECT*FROM test_float4 WHERE i=1::float4 ORDER BY i;
SELECT*FROM test_float4 WHERE i>=1::float4 ORDER BY i;
SELECT*FROM test_float4 WHERE i>1::float4 ORDER BY i;

EXPLAIN (costs off)
SELECT*, i <=>0::float4 FROM test_float4 ORDER BY i <=>0::float4;
SELECT*, i <=>0::float4 FROM test_float4 ORDER BY i <=>0::float4;

EXPLAIN (costs off)
SELECT*, i <=>1::float4 FROM test_float4 WHERE i<1::float4 ORDER BY i <=>1::float4;
SELECT*, i <=>1::float4 FROM test_float4 WHERE i<1::float4 ORDER BY i <=>1::float4;