mirror of https://github.com/postgres/postgres
20 lines
709 B
SQL
20 lines
709 B
SQL
CREATE TABLE test1 (x int, y int[]);
|
|
INSERT INTO test1 VALUES (1, ARRAY[11, 111]);
|
|
CREATE INDEX test1_y_idx ON test1 USING gin (y) WITH (fastupdate = off);
|
|
|
|
\x
|
|
|
|
SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 0));
|
|
SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 1));
|
|
|
|
SELECT * FROM gin_page_opaque_info(get_raw_page('test1_y_idx', 1));
|
|
|
|
SELECT * FROM gin_leafpage_items(get_raw_page('test1_y_idx', 1));
|
|
|
|
INSERT INTO test1 SELECT x, ARRAY[1,10] FROM generate_series(2,10000) x;
|
|
|
|
SELECT COUNT(*) > 0
|
|
FROM gin_leafpage_items(get_raw_page('test1_y_idx',
|
|
(pg_relation_size('test1_y_idx') /
|
|
current_setting('block_size')::bigint)::int - 1));
|