able code: (bug) OID should be resolvable for type 
SELECT enumlabel
FROM pg_catalog.pg_enum
WHERE enumtypid = $1
ORDER BY enumsortorder
            SELECT oid::regtype::text, typtype, typcategory, typrelid, typelem, typbasetype FROM pg_catalog.pg_type WHERE oid = $1
SELECT rngsubtype
FROM pg_catalog.pg_range
WHERE rngtypid = $1
                SELECT oid, typarray FROM pg_catalog.pg_type WHERE oid = $1::regtype::oidSELECT $1::regtype::oid
SELECT attname, atttypid
FROM pg_catalog.pg_attribute
WHERE attrelid = $1
AND NOT attisdropped
AND attnum > 0
ORDER BY attnum
                message