mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-27 08:39:28 +08:00
16 lines
464 B
MySQL
16 lines
464 B
MySQL
|
set enable_seqscan=off;
|
||
|
|
|
||
|
|
CREATE TABLE test_char (
|
||
|
|
i "char"
|
||
|
|
);
|
||
|
|
|
||
|
|
INSERT INTO test_char VALUES ('a'),('b'),('c'),('d'),('e'),('f');
|
||
|
|
|
||
|
|
CREATE INDEX idx_char ON test_char USING gin (i);
|
||
|
|
|
||
|
|
SELECT * FROM test_char WHERE i<'d'::"char" ORDER BY i;
|
||
|
|
SELECT * FROM test_char WHERE i<='d'::"char" ORDER BY i;
|
||
|
|
SELECT * FROM test_char WHERE i='d'::"char" ORDER BY i;
|
||
|
|
SELECT * FROM test_char WHERE i>='d'::"char" ORDER BY i;
|
||
|
|
SELECT * FROM test_char WHERE i>'d'::"char" ORDER BY i;
|