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fc896821c4
Using the just-added infrastructure, extend btree_gin to support cross-type operators in its other opclasses. All of the cross-type comparison operators supported by the core btree opclasses for these datatypes are now available for btree_gin indexes as well. Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Arseniy Mukhin <arseniy.mukhin.dev@gmail.com> Discussion: https://postgr.es/m/262624.1738460652@sss.pgh.pa.us
151 lines
4.6 KiB
Plaintext
151 lines
4.6 KiB
Plaintext
set enable_seqscan=off;
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CREATE TABLE test_timestamptz (
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i timestamptz
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);
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INSERT INTO test_timestamptz VALUES
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( '2004-10-26 03:55:08' ),
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( '2004-10-26 04:55:08' ),
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( '2004-10-26 05:55:08' ),
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( '2004-10-26 08:55:08' ),
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( '2004-10-27 09:55:08' ),
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( '2004-10-27 10:55:08' )
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;
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CREATE INDEX idx_timestamptz ON test_timestamptz USING gin (i);
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SELECT * FROM test_timestamptz WHERE i<'2004-10-26 08:55:08'::timestamptz ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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(3 rows)
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SELECT * FROM test_timestamptz WHERE i<='2004-10-26 08:55:08'::timestamptz ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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Tue Oct 26 08:55:08 2004 PDT
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(4 rows)
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SELECT * FROM test_timestamptz WHERE i='2004-10-26 08:55:08'::timestamptz ORDER BY i;
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i
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------------------------------
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Tue Oct 26 08:55:08 2004 PDT
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(1 row)
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SELECT * FROM test_timestamptz WHERE i>='2004-10-26 08:55:08'::timestamptz ORDER BY i;
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i
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------------------------------
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Tue Oct 26 08:55:08 2004 PDT
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(3 rows)
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SELECT * FROM test_timestamptz WHERE i>'2004-10-26 08:55:08'::timestamptz ORDER BY i;
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i
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------------------------------
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(2 rows)
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explain (costs off)
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SELECT * FROM test_timestamptz WHERE i<'2004-10-27'::date 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_timestamptz
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Recheck Cond: (i < '10-27-2004'::date)
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-> Bitmap Index Scan on idx_timestamptz
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Index Cond: (i < '10-27-2004'::date)
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(6 rows)
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SELECT * FROM test_timestamptz WHERE i<'2004-10-27'::date ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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Tue Oct 26 08:55:08 2004 PDT
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(4 rows)
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SELECT * FROM test_timestamptz WHERE i<='2004-10-27'::date ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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Tue Oct 26 08:55:08 2004 PDT
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(4 rows)
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SELECT * FROM test_timestamptz WHERE i='2004-10-27'::date ORDER BY i;
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i
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---
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(0 rows)
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SELECT * FROM test_timestamptz WHERE i>='2004-10-27'::date ORDER BY i;
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i
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------------------------------
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(2 rows)
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SELECT * FROM test_timestamptz WHERE i>'2004-10-27'::date ORDER BY i;
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i
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------------------------------
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(2 rows)
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explain (costs off)
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SELECT * FROM test_timestamptz WHERE i<'2004-10-26 08:55:08'::timestamp 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_timestamptz
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Recheck Cond: (i < 'Tue Oct 26 08:55:08 2004'::timestamp without time zone)
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-> Bitmap Index Scan on idx_timestamptz
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Index Cond: (i < 'Tue Oct 26 08:55:08 2004'::timestamp without time zone)
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(6 rows)
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SELECT * FROM test_timestamptz WHERE i<'2004-10-26 08:55:08'::timestamp ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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(3 rows)
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SELECT * FROM test_timestamptz WHERE i<='2004-10-26 08:55:08'::timestamp ORDER BY i;
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i
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------------------------------
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Tue Oct 26 03:55:08 2004 PDT
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Tue Oct 26 04:55:08 2004 PDT
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Tue Oct 26 05:55:08 2004 PDT
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Tue Oct 26 08:55:08 2004 PDT
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(4 rows)
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SELECT * FROM test_timestamptz WHERE i='2004-10-26 08:55:08'::timestamp ORDER BY i;
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i
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------------------------------
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Tue Oct 26 08:55:08 2004 PDT
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(1 row)
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SELECT * FROM test_timestamptz WHERE i>='2004-10-26 08:55:08'::timestamp ORDER BY i;
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i
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------------------------------
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Tue Oct 26 08:55:08 2004 PDT
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(3 rows)
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SELECT * FROM test_timestamptz WHERE i>'2004-10-26 08:55:08'::timestamp ORDER BY i;
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i
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------------------------------
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Wed Oct 27 09:55:08 2004 PDT
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Wed Oct 27 10:55:08 2004 PDT
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(2 rows)
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