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--
-- MISC_SANITY
-- Sanity checks for common errors in making system tables that don't fit
-- comfortably into either opr_sanity or type_sanity.
--
-- Every test failure in this file should be closely inspected.
-- The description of the failing test should be read carefully before
-- adjusting the expected output. In most cases, the queries should
-- not find *any* matching entries.
--
-- NB: run this test early, because some later tests create bogus entries.
-- **************** pg_depend ****************
-- Look for illegal values in pg_depend fields.
SELECT *
FROM pg_depend as d1
WHERE refclassid = 0 OR refobjid = 0 OR
classid = 0 OR objid = 0 OR
deptype NOT IN ('a', 'e', 'i', 'n', 'x', 'P', 'S');
-- **************** pg_shdepend ****************
-- Look for illegal values in pg_shdepend fields.
SELECT *
FROM pg_shdepend as d1
WHERE refclassid = 0 OR refobjid = 0 OR
classid = 0 OR objid = 0 OR
deptype NOT IN ('a', 'o', 'r', 't');
-- **************** pg_class ****************
-- Look for system tables with varlena columns but no toast table. All
-- system tables with toastable columns should have toast tables, with
-- the following exceptions:
-- 1. pg_class, pg_attribute, and pg_index, due to fear of recursive
-- dependencies as toast tables depend on them.
-- 2. pg_largeobject and pg_largeobject_metadata. Large object catalogs
-- and toast tables are mutually exclusive and large object data is handled
-- as user data by pg_upgrade, which would cause failures.
SELECT relname, attname, atttypid::regtype
FROM pg_class c JOIN pg_attribute a ON c.oid = attrelid
WHERE c.oid < 16384 AND
reltoastrelid = 0 AND
relkind = 'r' AND
attstorage != 'p'
ORDER BY 1, 2;
-- system catalogs without primary keys
--
-- Current exceptions:
-- * pg_depend, pg_shdepend don't have a unique key
SELECT relname
FROM pg_class
WHERE relnamespace = 'pg_catalog'::regnamespace AND relkind = 'r'
AND pg_class.oid NOT IN (SELECT indrelid FROM pg_index WHERE indisprimary)
ORDER BY 1;
-- system catalog unique indexes not wrapped in a constraint
-- (There should be none.)
SELECT relname
FROM pg_class c JOIN pg_index i ON c.oid = i.indexrelid
WHERE relnamespace = 'pg_catalog'::regnamespace AND relkind = 'i'
AND i.indisunique
AND c.oid NOT IN (SELECT conindid FROM pg_constraint)
ORDER BY 1;
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