WITH fk AS (SELECT
(SELECT nspname FROM pg_namespace WHERE oid=c.relnamespace) AS target_schema,
c.relname AS target_table
FROM pg_constraint o INNER JOIN pg_class c ON c.oid = o.conrelid
INNER JOIN pg_class f ON f.oid = o.confrelid
WHERE o.contype = 'f'),
tables_with_sequences AS (SELECT A.table_schema, A.table_name 
FROM information_schema.columns A LEFT JOIN information_schema.domains d USING (domain_schema, domain_name)
INNER JOIN information_schema.tables T
ON A.table_schema = T.table_schema
AND A.table_name = T.table_name
INNER JOIN information_schema.schemata S
ON A.table_schema=S.schema_name
WHERE (coalesce (A.column_default, d.domain_default) ILIKE '%nextval%' OR is_identity='YES')
AND (A.table_schema = 'public'
OR S.schema_owner<>'postgres'))
SELECT 
table_schema, 
table_name
FROM information_schema.tables AS t
WHERE table_type='BASE TABLE'
AND table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
AND (SELECT Count(*) AS cnt FROM INFORMATION_SCHEMA.columns AS c
WHERE t.table_schema=c.table_schema
AND t.table_name=c.table_name)<=4
AND (table_schema, table_name) NOT IN (SELECT target_schema, target_table
FROM fk)
AND (table_schema, table_name) IN (SELECT table_schema, table_name
FROM tables_with_sequences)
ORDER BY table_schema, table_name;