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8436489c81
This extends GiST's support for nearest-neighbor searches to many of the standard data types. Teodor Sigaev
38 lines
1.1 KiB
SQL
38 lines
1.1 KiB
SQL
-- int8 check
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CREATE TABLE int8tmp (a int8);
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\copy int8tmp from 'data/int8.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM int8tmp WHERE a < 464571291354841;
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SELECT count(*) FROM int8tmp WHERE a <= 464571291354841;
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SELECT count(*) FROM int8tmp WHERE a = 464571291354841;
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SELECT count(*) FROM int8tmp WHERE a >= 464571291354841;
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SELECT count(*) FROM int8tmp WHERE a > 464571291354841;
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SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
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CREATE INDEX int8idx ON int8tmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM int8tmp WHERE a < 464571291354841::int8;
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SELECT count(*) FROM int8tmp WHERE a <= 464571291354841::int8;
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SELECT count(*) FROM int8tmp WHERE a = 464571291354841::int8;
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SELECT count(*) FROM int8tmp WHERE a >= 464571291354841::int8;
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SELECT count(*) FROM int8tmp WHERE a > 464571291354841::int8;
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EXPLAIN (COSTS OFF)
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SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
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SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
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