mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-27 08:39:28 +08:00
16 lines
517 B
MySQL
16 lines
517 B
MySQL
|
set enable_seqscan=off;
|
||
|
|
|
||
|
|
CREATE TABLE test_varchar (
|
||
|
|
i varchar
|
||
|
|
);
|
||
|
|
|
||
|
|
INSERT INTO test_varchar VALUES ('aaa'),('a'),('abc'),('abb'),('axy'),('xyz');
|
||
|
|
|
||
|
|
CREATE INDEX idx_varchar ON test_varchar USING gin (i);
|
||
|
|
|
||
|
|
SELECT * FROM test_varchar WHERE i<'abc'::varchar ORDER BY i;
|
||
|
|
SELECT * FROM test_varchar WHERE i<='abc'::varchar ORDER BY i;
|
||
|
|
SELECT * FROM test_varchar WHERE i='abc'::varchar ORDER BY i;
|
||
|
|
SELECT * FROM test_varchar WHERE i>='abc'::varchar ORDER BY i;
|
||
|
|
SELECT * FROM test_varchar WHERE i>'abc'::varchar ORDER BY i;
|