<changelog xmlns="http://www.codesynthesis.com/xmlns/odb/changelog" database="mysql" version="1">
  <model version="1">
    <table name="object" options="ENGINE=InnoDB" kind="object">
      <column name="id" type="INT" null="false"/>
      <column name="num" type="INT" null="true" default="0" options="DUMMY=1"/>
      <column name="v_x" type="INT" null="false"/>
      <column name="v_y" type="INT" null="false"/>
      <column name="o1_x" type="INT" null="true"/>
      <column name="o1_y" type="INT" null="true"/>
      <primary-key auto="true">
        <column name="id"/>
      </primary-key>
      <foreign-key name="object_o1_fk" deferrable="DEFERRED">
        <column name="o1_x"/>
        <column name="o1_y"/>
        <references table="object1">
          <column name="id_x"/>
          <column name="id_y"/>
        </references>
      </foreign-key>
      <index name="num_i" type="UNIQUE" method="BTREE" options="DUMMY=1">
        <column name="num" options="DESC"/>
      </index>
      <index name="v_i">
        <column name="v_x"/>
        <column name="v_y"/>
      </index>
    </table>
    <table name="object_nums" options="ENGINE=InnoDB" kind="container">
      <column name="object_id" type="INT" null="false"/>
      <column name="index" type="BIGINT UNSIGNED" null="false"/>
      <column name="value" type="INT" null="false"/>
      <foreign-key name="object_nums_object_id_fk" on-delete="CASCADE">
        <column name="object_id"/>
        <references table="object">
          <column name="id"/>
        </references>
      </foreign-key>
      <index name="object_id_i">
        <column name="object_id"/>
      </index>
      <index name="index_i">
        <column name="index"/>
      </index>
    </table>
    <table name="object1" options="ENGINE=InnoDB" kind="object">
      <column name="id_x" type="INT" null="false"/>
      <column name="id_y" type="INT" null="false"/>
      <column name="num" type="INT" null="false"/>
      <primary-key>
        <column name="id_x"/>
        <column name="id_y"/>
      </primary-key>
    </table>
  </model>
</changelog>