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8436489c81
This extends GiST's support for nearest-neighbor searches to many of the standard data types. Teodor Sigaev
81 lines
3.0 KiB
SQL
81 lines
3.0 KiB
SQL
-- timestamptz check
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CREATE TABLE timestamptztmp (a timestamptz);
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\copy timestamptztmp from 'data/timestamptz.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+3';
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+3';
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+3';
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+3';
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+3';
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+2';
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+2';
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+2';
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+2';
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+2';
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+4';
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+4';
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+4';
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+4';
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+4';
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SELECT a, a <-> '2018-12-18 10:59:54 GMT+2' FROM timestamptztmp ORDER BY a <-> '2018-12-18 10:59:54 GMT+2' LIMIT 3;
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CREATE INDEX timestamptzidx ON timestamptztmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+3'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+3'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+3'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+3'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+3'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+2'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+2'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+2'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+2'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+2'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a < '2018-12-18 10:59:54 GMT+4'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a <= '2018-12-18 10:59:54 GMT+4'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a = '2018-12-18 10:59:54 GMT+4'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a >= '2018-12-18 10:59:54 GMT+4'::timestamptz;
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SELECT count(*) FROM timestamptztmp WHERE a > '2018-12-18 10:59:54 GMT+4'::timestamptz;
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EXPLAIN (COSTS OFF)
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SELECT a, a <-> '2018-12-18 10:59:54 GMT+2' FROM timestamptztmp ORDER BY a <-> '2018-12-18 10:59:54 GMT+2' LIMIT 3;
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SELECT a, a <-> '2018-12-18 10:59:54 GMT+2' FROM timestamptztmp ORDER BY a <-> '2018-12-18 10:59:54 GMT+2' LIMIT 3;
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