26 lines
753 B
SQL
26 lines
753 B
SQL
CREATE TABLE buffercache_test(
|
|
id int,
|
|
content text
|
|
);
|
|
|
|
INSERT INTO buffercache_test VALUES(generate_series(1, 10000), 'To make a prairie it takes a clover and one bee, One clover and a bee, And revery. The revery alone will do, If bees are few.');
|
|
|
|
SELECT storage_type, reldatabase, relforknumber, relblocknumber, isdirty, isvalid, usage_count, pinning_backends
|
|
FROM
|
|
(SELECT relfilenode,
|
|
bucketid,
|
|
storage_type,
|
|
reltablespace,
|
|
reldatabase,
|
|
relforknumber,
|
|
relblocknumber,
|
|
isdirty,
|
|
isvalid,
|
|
usage_count,
|
|
pinning_backends
|
|
FROM pg_buffercache_pages()) P INNER JOIN pg_class ON (P.relfilenode = pg_class.oid)
|
|
WHERE pg_class.relname = 'buffercache_test'
|
|
ORDER BY relforknumber, relblocknumber;
|
|
|
|
DROP TABLE buffercache_test;
|