<changelog xmlns="http://www.codesynthesis.com/xmlns/odb/changelog" version="1"> <model version="2"> <table name="object"> <column name="id" type="INT" null="false"/> <column name="x" type="INT" null="false"/> <column name="y" type="INT" null="false"/> <primary-key auto="true"> <column name="id"/> </primary-key> <index name="xy_i" type="UNIQUE"> <column name="x"/> <column name="y" options="DESC"/> </index> </table> </model> </changelog>