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Improve regression test for pg_filenode_relation().
Make it print the details in case there's a failure. Andres Freund, slightly modified by me
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@ -2319,22 +2319,16 @@ Check constraints:
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DROP TABLE alter2.tt8;
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DROP SCHEMA alter2;
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-- Check that we map relation oids to filenodes and back correctly.
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-- Don't display all the mappings so the test output doesn't change
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-- all the time, but make sure we actually do test some values.
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-- Only display bad mappings so the test output doesn't change all the
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-- time.
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SELECT
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SUM((mapped_oid != oid OR mapped_oid IS NULL)::int) incorrectly_mapped,
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count(*) > 200 have_mappings
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FROM (
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SELECT
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oid, reltablespace, relfilenode, relname,
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pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) mapped_oid
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FROM pg_class
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WHERE relkind IN ('r', 'i', 'S', 't', 'm')
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) mapped;
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incorrectly_mapped | have_mappings
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--------------------+---------------
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0 | t
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(1 row)
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oid, mapped_oid, reltablespace, relfilenode, relname
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FROM pg_class,
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pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) AS mapped_oid
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WHERE relkind IN ('r', 'i', 'S', 't', 'm') AND mapped_oid IS DISTINCT FROM oid;
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oid | mapped_oid | reltablespace | relfilenode | relname
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-----+------------+---------------+-------------+---------
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(0 rows)
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-- Checks on creating and manipulation of user defined relations in
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-- pg_catalog.
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@ -1554,18 +1554,13 @@ DROP TABLE alter2.tt8;
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DROP SCHEMA alter2;
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-- Check that we map relation oids to filenodes and back correctly.
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-- Don't display all the mappings so the test output doesn't change
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-- all the time, but make sure we actually do test some values.
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-- Only display bad mappings so the test output doesn't change all the
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-- time.
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SELECT
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SUM((mapped_oid != oid OR mapped_oid IS NULL)::int) incorrectly_mapped,
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count(*) > 200 have_mappings
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FROM (
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SELECT
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oid, reltablespace, relfilenode, relname,
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pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) mapped_oid
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FROM pg_class
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WHERE relkind IN ('r', 'i', 'S', 't', 'm')
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) mapped;
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oid, mapped_oid, reltablespace, relfilenode, relname
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FROM pg_class,
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pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) AS mapped_oid
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WHERE relkind IN ('r', 'i', 'S', 't', 'm') AND mapped_oid IS DISTINCT FROM oid;
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-- Checks on creating and manipulation of user defined relations in
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-- pg_catalog.
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