Diesel cli generates invalid joinable!() when using postgres schema

[antab]

Using the following SQL:

CREATE SCHEMA test;
CREATE TABLE test.a(
        id serial NOT NULL,
        CONSTRAINT a_pkey PRIMARY KEY (id)

);
CREATE TABLE test.b(
        id serial NOT NULL,
        parent serial NOT NULL,
        CONSTRAINT b_pkey PRIMARY KEY (id)

);
ALTER TABLE test.b ADD CONSTRAINT ab_fkey FOREIGN KEY (parent)
REFERENCES test.a (id) MATCH FULL
ON DELETE NO ACTION ON UPDATE NO ACTION;

Then diesel print-schema --schema test --database-url postgresql://... will then output:

pub mod test {
    table! {
        test.a (id) {
            id -> Int4,
        }
    }

    table! {
        test.b (id) {
            id -> Int4,
            parent -> Int4,
        }
    }

    joinable!(test.b -> test.a (parent));
}

This won't compile and removing test. from the joinable!() fixes the issue.