/* contrib/pg_buffercache/pg_buffercache--1.2.sql */

-- complain if script is sourced in psql, rather than via CREATE EXTENSION

\echo Use "CREATE EXTENSION pg_buffercache" to load this file. \quit

-- Register the function.

CREATE FUNCTION pg_buffercache_pages()

RETURNS SETOF RECORD

AS 'MODULE_PATHNAME', 'pg_buffercache_pages'

LANGUAGE C PARALLEL SAFE;

-- Create a view for convenient access.

CREATE VIEW pg_buffercache AS

SELECT P.* FROM pg_buffercache_pages() AS P

(bufferid integer, relfilenode oid, reltablespace oid, reldatabase oid,

relforknumber int2, relblocknumber int8, isdirty bool, usagecount int2,

pinning_backends int4);

-- Don't want these to be available to public.

REVOKE ALL ON FUNCTION pg_buffercache_pages() FROM PUBLIC;

REVOKE ALL ON pg_buffercache FROM PUBLIC;