Como você documenta seu código de banco de dados para ver dependências entre objetos de banco de dados?

SELECT
  c1.oid as relid,
  n1.nspname || '.' || c1.relname as relation,
  c1.relkind,
  c2.oid as relid,
  n2.nspname || '.' || c2.relname as dependency,
  c2.relkind
FROM 
  pg_depend d,
  pg_class c1,
  pg_namespace n1,
  pg_class c2,
  pg_namespace n2
WHERE 
  d.objid = c1.oid AND
  c1.relnamespace = n1.oid AND 
  n1.nspname NOT IN('information_schema', 'pg_catalog') AND
  n1.nspname !~ '^pg_toast' AND
  d.refobjid = c2.oid AND
  c2.relnamespace = n2.oid AND 
  n2.nspname NOT IN('information_schema', 'pg_catalog') AND
  n2.nspname !~ '^pg_toast' AND
  c1.oid != c2.oid
GROUP BY n1.nspname,c1.relname,c1.oid,c1.relkind,
  n2.nspname,c2.relname,c2.oid,c2.relkind
ORDER BY n1.nspname,c1.relname;