<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
                          http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
    <entity name="T1" table="t1">
        <id name="f1" type="integer" column="f1"/>
        <field name="f2" type="string" column="f2"/>
    </entity>
</doctrine-mapping>