## What changes were proposed in this pull request? RequestScheduleEntity/RequestEntity/StageEntity cascade added
## How was this patch tested? unit tests and manual tests Please review [Ambari Contributing Guide](https://cwiki.apache.org/confluence/display/AMBARI/How+to+Contribute) before opening a pull request. [ Full content available at: https://github.com/apache/ambari/pull/2238 ] This message was relayed via gitbox.apache.org for [email protected]
