CREATE TRIGGER ai_project_related_updates
AFTER INSERT ON
    project_related_updates
FOR EACH ROW WHEN
    NEW.project_only = 1
BEGIN
    SELECT debug(
        'ai_project_related_updates',
        NEW.update_id,
        NEW.project_id,
        NEW.project_only
    );

    INSERT INTO
        hub_related_updates(
            hub_id,
            update_id
        )
    SELECT
        p.hub_id,
        NEW.update_id
    FROM
        projects p
    WHERE
        p.id = NEW.project_id AND
        p.hub_id IS NOT NULL
    ;
END;