PolarDB-for-PostgreSQL

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set enable_seqscan=off;
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CREATE TABLE test_uuid (
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	i uuid
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);
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INSERT INTO test_uuid VALUES
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	( '00000000-0000-0000-0000-000000000000' ),
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	( '299bc99f-2f79-4e3e-bfea-2cbfd62a7c27' ),
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	( '6264af33-0d43-4337-bf4e-43509b8a4be8' ),
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	( 'ce41c936-6acb-4feb-8c91-852a673e5a5c' ),
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	( 'd2ce731f-f2a8-4a2b-be37-8f0ba637427f' ),
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	( 'ffffffff-ffff-ffff-ffff-ffffffffffff' )
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;
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CREATE INDEX idx_uuid ON test_uuid USING gin (i);
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SELECT * FROM test_uuid WHERE i<'ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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SELECT * FROM test_uuid WHERE i<='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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SELECT * FROM test_uuid WHERE i='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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SELECT * FROM test_uuid WHERE i>='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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SELECT * FROM test_uuid WHERE i>'ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_uuid WHERE i<'ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_uuid WHERE i<='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_uuid WHERE i='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_uuid WHERE i>='ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_uuid WHERE i>'ce41c936-6acb-4feb-8c91-852a673e5a5c'::uuid ORDER BY i;
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