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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
346 lines
8.6 KiB
Plaintext
346 lines
8.6 KiB
Plaintext
set enable_seqscan=off;
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CREATE TABLE test_timestamp (
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i timestamp
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);
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INSERT INTO test_timestamp 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_timestamp ON test_timestamp USING gin (i);
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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(3 rows)
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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(4 rows)
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SELECT * FROM test_timestamp 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
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(1 row)
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SELECT * FROM test_timestamp 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
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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(3 rows)
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SELECT * FROM test_timestamp 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
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Wed Oct 27 10:55:08 2004
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(2 rows)
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explain (costs off)
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SELECT * FROM test_timestamp 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_timestamp
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Recheck Cond: (i < '10-27-2004'::date)
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-> Bitmap Index Scan on idx_timestamp
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Index Cond: (i < '10-27-2004'::date)
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(6 rows)
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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(4 rows)
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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(4 rows)
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SELECT * FROM test_timestamp 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_timestamp 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
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Wed Oct 27 10:55:08 2004
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(2 rows)
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SELECT * FROM test_timestamp 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
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Wed Oct 27 10:55:08 2004
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(2 rows)
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explain (costs off)
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SELECT * FROM test_timestamp WHERE i<'2004-10-26 08:55:08'::timestamptz 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_timestamp
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Recheck Cond: (i < 'Tue Oct 26 08:55:08 2004 PDT'::timestamp with time zone)
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-> Bitmap Index Scan on idx_timestamp
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Index Cond: (i < 'Tue Oct 26 08:55:08 2004 PDT'::timestamp with time zone)
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(6 rows)
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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(3 rows)
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SELECT * FROM test_timestamp 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
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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(4 rows)
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SELECT * FROM test_timestamp 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
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(1 row)
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SELECT * FROM test_timestamp 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
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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(3 rows)
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SELECT * FROM test_timestamp 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
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Wed Oct 27 10:55:08 2004
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(2 rows)
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-- Check endpoint and out-of-range cases
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INSERT INTO test_timestamp VALUES ('-infinity'), ('infinity');
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SELECT gin_clean_pending_list('idx_timestamp');
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gin_clean_pending_list
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------------------------
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1
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(1 row)
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SELECT * FROM test_timestamp WHERE i<'-infinity'::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_timestamp WHERE i<='-infinity'::date ORDER BY i;
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i
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-----------
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-infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i='-infinity'::date ORDER BY i;
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i
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-----------
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-infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>='-infinity'::date ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(8 rows)
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SELECT * FROM test_timestamp WHERE i>'-infinity'::date ORDER BY i;
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i
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--------------------------
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(7 rows)
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SELECT * FROM test_timestamp WHERE i<'infinity'::date ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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(7 rows)
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SELECT * FROM test_timestamp WHERE i<='infinity'::date ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(8 rows)
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SELECT * FROM test_timestamp WHERE i='infinity'::date ORDER BY i;
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i
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----------
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infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>='infinity'::date ORDER BY i;
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i
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----------
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infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>'infinity'::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_timestamp WHERE i<'-infinity'::timestamptz 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_timestamp WHERE i<='-infinity'::timestamptz ORDER BY i;
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i
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-----------
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-infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i='-infinity'::timestamptz ORDER BY i;
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i
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-----------
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-infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>='-infinity'::timestamptz ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(8 rows)
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SELECT * FROM test_timestamp WHERE i>'-infinity'::timestamptz ORDER BY i;
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i
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--------------------------
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(7 rows)
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SELECT * FROM test_timestamp WHERE i<'infinity'::timestamptz ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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(7 rows)
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SELECT * FROM test_timestamp WHERE i<='infinity'::timestamptz ORDER BY i;
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i
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--------------------------
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-infinity
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(8 rows)
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SELECT * FROM test_timestamp WHERE i='infinity'::timestamptz ORDER BY i;
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i
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----------
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infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>='infinity'::timestamptz ORDER BY i;
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i
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----------
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infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>'infinity'::timestamptz ORDER BY i;
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i
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---
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(0 rows)
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-- This PST timestamptz will underflow if converted to timestamp
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SELECT * FROM test_timestamp WHERE i<='4714-11-23 17:00 BC'::timestamptz ORDER BY i;
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i
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-----------
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-infinity
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(1 row)
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SELECT * FROM test_timestamp WHERE i>'4714-11-23 17:00 BC'::timestamptz ORDER BY i;
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i
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--------------------------
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Tue Oct 26 03:55:08 2004
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Tue Oct 26 04:55:08 2004
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Tue Oct 26 05:55:08 2004
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Tue Oct 26 08:55:08 2004
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Wed Oct 27 09:55:08 2004
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Wed Oct 27 10:55:08 2004
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infinity
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(7 rows)
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