45 lines
680 B
Plaintext
45 lines
680 B
Plaintext
set enable_seqscan=off;
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CREATE TABLE test_varchar (
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i varchar
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);
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INSERT INTO test_varchar VALUES ('a'),('ab'),('abc'),('abb'),('axy'),('xyz');
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CREATE INDEX idx_varchar ON test_varchar USING gin (i);
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SELECT * FROM test_varchar WHERE i<'abc'::varchar ORDER BY i;
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i
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-----
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a
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ab
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abb
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(3 rows)
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SELECT * FROM test_varchar WHERE i<='abc'::varchar ORDER BY i;
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i
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-----
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a
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ab
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abb
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abc
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(4 rows)
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SELECT * FROM test_varchar WHERE i='abc'::varchar ORDER BY i;
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i
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-----
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abc
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(1 row)
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SELECT * FROM test_varchar WHERE i>='abc'::varchar ORDER BY i;
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i
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-----
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abc
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axy
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xyz
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(3 rows)
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SELECT * FROM test_varchar WHERE i>'abc'::varchar ORDER BY i;
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i
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-----
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axy
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xyz
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(2 rows)
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