containing_rowtypes=list_delete_first(containing_rowtypes);

}

elseif (att_typtype==TYPTYPE_RANGE)

{

CheckAttributeType(attname,get_range_subtype(atttypid),attcollation,

containing_rowtypes,

allow_system_table_mods);

}

elseif (OidIsValid((att_typelem=get_element_type(atttypid))))

{

["(5,6)","(7,8)") | {"a":7,"b":8}

(2 rows)

-- this must be rejected to avoid self-inclusion issues:

alter type two_ints add attribute c two_ints_range;

ERROR: composite type two_ints cannot be made a member of itself

drop type two_ints cascade;

NOTICE: drop cascades to type two_ints_range

--

(values (two_ints_range(row(1,2), row(3,4))),

(two_ints_range(row(5,6), row(7,8)))) v(t);

altertype two_ints add attribute c two_ints_range;

droptype two_ints cascade;