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set enable_seqscan=off;
CREATE TABLE test_timestamp (
i timestamp
);
INSERT INTO test_timestamp VALUES
( '2004-10-26 03:55:08' ),
( '2004-10-26 04:55:08' ),
( '2004-10-26 05:55:08' ),
( '2004-10-26 08:55:08' ),
( '2004-10-26 09:55:08' ),
( '2004-10-26 10:55:08' )
;
CREATE INDEX idx_timestamp ON test_timestamp USING gin (i);
SELECT * FROM test_timestamp WHERE i<'2004-10-26 08:55:08'::timestamp ORDER BY i;
SELECT * FROM test_timestamp WHERE i<='2004-10-26 08:55:08'::timestamp ORDER BY i;
SELECT * FROM test_timestamp WHERE i='2004-10-26 08:55:08'::timestamp ORDER BY i;
SELECT * FROM test_timestamp WHERE i>='2004-10-26 08:55:08'::timestamp ORDER BY i;
SELECT * FROM test_timestamp WHERE i>'2004-10-26 08:55:08'::timestamp ORDER BY i;
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