mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-07-15 22:11:09 +02:00
f4cd7102b5
Mostly for completeness, but I believe there are cases to use that in multicolumn GIN indexes. Bump btree_gin module version Author: Matheus Oliveira Reviewed by: Tomas Vondra Discussion: https://www.postgresql.org/message-id/flat/CAJghg4LMJf6Z13fnZD-MBNiGxzd0cA2=F3TDjNkX3eQH58hktQ@mail.gmail.com
22 lines
794 B
SQL
22 lines
794 B
SQL
set enable_seqscan=off;
|
|
|
|
CREATE TABLE test_name (
|
|
i name
|
|
);
|
|
|
|
INSERT INTO test_name VALUES ('a'),('ab'),('abc'),('abb'),('axy'),('xyz');
|
|
|
|
CREATE INDEX idx_name ON test_name USING gin (i);
|
|
|
|
SELECT * FROM test_name WHERE i<'abc' ORDER BY i;
|
|
SELECT * FROM test_name WHERE i<='abc' ORDER BY i;
|
|
SELECT * FROM test_name WHERE i='abc' ORDER BY i;
|
|
SELECT * FROM test_name WHERE i>='abc' ORDER BY i;
|
|
SELECT * FROM test_name WHERE i>'abc' ORDER BY i;
|
|
|
|
EXPLAIN (COSTS OFF) SELECT * FROM test_name WHERE i<'abc' ORDER BY i;
|
|
EXPLAIN (COSTS OFF) SELECT * FROM test_name WHERE i<='abc' ORDER BY i;
|
|
EXPLAIN (COSTS OFF) SELECT * FROM test_name WHERE i='abc' ORDER BY i;
|
|
EXPLAIN (COSTS OFF) SELECT * FROM test_name WHERE i>='abc' ORDER BY i;
|
|
EXPLAIN (COSTS OFF) SELECT * FROM test_name WHERE i>'abc' ORDER BY i;
|