virt_db — Metaproxy Virtual Databases Module
This filter allows one Z39.50 database to be me mapped to another target; or even multiple targets..
A typical configuration looks like this:
<filter type="virt_db">
<virtual>
<database>db1</database>
<target>localhost:9999/Default</target>
</virtual>
<virtual>
<database>db2</database>
<target>indexdata.com/gils</target>
</virtual>
<virtual>
<database>combined</database>
<target>indexdata.com/gils</target>
<target>localhost:9999/Default</target>
</virtual>
</filter>