tieredstorage:partition-transfer( $partition-db-id as xs:unsignedLong, $partition-name as xs:string, $dst-db-id as xs:unsignedLong, [$options as xs:string*] ) as empty-sequence()
This function detaches forests in a partition from one database and attaches them to another. For details, see Transferring Partitions between Databases in the Administrator's Guide.
xquery version "1.0-ml"; import module namespace ts="http://marklogic.com/xdmp/tieredstorage" at "/MarkLogic/tieredstorage.xqy"; ts:partition-transfer(xdmp:database("srcDB"), "2012-April", xdmp:database("dstDB")) => ()