src/test/regress/sql/sanity_check.sql


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VACUUM;

--
-- sanity check, if we don't have indices the test will take years to
-- complete.  But skip TOAST relations since they will have varying
-- names depending on the current OID counter.
--
SELECT relname, relhasindex
   FROM pg_class
   WHERE relhasindex AND relkind != 't'
   ORDER BY relname;

--
-- another sanity check: every system catalog that has OIDs should have
-- a unique index on OID.  This ensures that the OIDs will be unique,
-- even after the OID counter wraps around.
-- We exclude non-system tables from the check by looking at nspname.
--
SELECT relname, nspname
FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = relnamespace
WHERE relhasoids
    AND ((nspname ~ '^pg_') IS NOT FALSE)
    AND NOT EXISTS (SELECT 1 FROM pg_index i WHERE indrelid = c.oid
                    AND indkey[0] = -2 AND indnatts = 1 AND indisunique);