pgrx_pg_sys

Function get_atttypetypmodcoll

Source 
pub unsafe fn get_atttypetypmodcoll(
    arg_relid: Oid,
    arg_attnum: AttrNumber,
    arg_typid: *mut Oid,
    arg_typmod: *mut int32,
    arg_collid: *mut Oid,
)