::Katello::Erratum.joins(
        "INNER JOIN #{erratum_package} on #{erratum_package}.erratum_id = #{errata}.id",
        "INNER JOIN #{repository_errata} on #{repository_errata}.erratum_id = #{errata}.id",
        "INNER JOIN #{rpm} on #{rpm}.filename = #{erratum_package}.filename",
        "INNER JOIN #{repository_rpm} on #{repository_rpm}.rpm_id = #{rpm}.id").