/* contrib/pg_walinspect/pg_walinspect--1.0--1.1.sql */

-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION pg_walinspect UPDATE TO '1.1'" to load this file. \quit

-- Unsupported functions after 1.1.
DROP FUNCTION pg_get_wal_records_info_till_end_of_wal(pg_lsn);
DROP FUNCTION pg_get_wal_stats_till_end_of_wal(pg_lsn, boolean);

--
-- pg_get_wal_block_info()
--
CREATE FUNCTION pg_get_wal_block_info(IN start_lsn pg_lsn,
	IN end_lsn pg_lsn,
	OUT lsn pg_lsn,
	OUT blockid int2,
	OUT reltablespace oid,
	OUT reldatabase oid,
	OUT relfilenode oid,
	OUT relblocknumber int8,
	OUT forkname text,
	OUT blockdata bytea,
	OUT fpi bytea,
	OUT fpilen int4,
	OUT fpiinfo text[]
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_get_wal_block_info'
LANGUAGE C STRICT PARALLEL SAFE;

REVOKE EXECUTE ON FUNCTION pg_get_wal_block_info(pg_lsn, pg_lsn) FROM PUBLIC;
GRANT EXECUTE ON FUNCTION pg_get_wal_block_info(pg_lsn, pg_lsn) TO pg_read_server_files;