index a182176ba605b1ddff78ce137af979268ebd9ccf..9b89e5888419bf28f0c1887f7098af728231fe91 100644 (file)
DROP TABLE alter2.tt8;
DROP SCHEMA alter2;
--- Check that we map relation oids to filenodes and back correctly.
--- Only display bad mappings so the test output doesn't change all the
--- time.
+-- Check that we map relation oids to filenodes and back correctly. Only
+-- display bad mappings so the test output doesn't change all the time. A
+-- filenode function call can return NULL for a relation dropped concurrently
+-- with the call's surrounding query, so ignore a NULL mapped_oid for
+-- relations that no longer exist after all calls finish.
+CREATE TEMP TABLE filenode_mapping AS
SELECT
oid, mapped_oid, reltablespace, relfilenode, relname
FROM pg_class,
pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) AS mapped_oid
WHERE relkind IN ('r', 'i', 'S', 't', 'm') AND mapped_oid IS DISTINCT FROM oid;
+SELECT m.* FROM filenode_mapping m LEFT JOIN pg_class c ON c.oid = m.oid
+WHERE c.oid IS NOT NULL OR m.mapped_oid IS NOT NULL;
oid | mapped_oid | reltablespace | relfilenode | relname
-----+------------+---------------+-------------+---------
(0 rows)
index 3f641f9596c7189c9b37bdec418d17761839708e..22a2dd0a5dc5b8941002907e04a1cee1501ec17e 100644 (file)
DROP TABLE alter2.tt8;
DROP SCHEMA alter2;
--- Check that we map relation oids to filenodes and back correctly.
--- Only display bad mappings so the test output doesn't change all the
--- time.
+-- Check that we map relation oids to filenodes and back correctly. Only
+-- display bad mappings so the test output doesn't change all the time. A
+-- filenode function call can return NULL for a relation dropped concurrently
+-- with the call's surrounding query, so ignore a NULL mapped_oid for
+-- relations that no longer exist after all calls finish.
+CREATE TEMP TABLE filenode_mapping AS
SELECT
oid, mapped_oid, reltablespace, relfilenode, relname
FROM pg_class,
pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) AS mapped_oid
WHERE relkind IN ('r', 'i', 'S', 't', 'm') AND mapped_oid IS DISTINCT FROM oid;
+SELECT m.* FROM filenode_mapping m LEFT JOIN pg_class c ON c.oid = m.oid
+WHERE c.oid IS NOT NULL OR m.mapped_oid IS NOT NULL;
+
-- Checks on creating and manipulation of user defined relations in
-- pg_catalog.
--