Remove some of the aliases from PileUpEventLoopMgr

Control/PileUpComps/src/PileUpEventLoopMgr.cxx

@@ -440,11 +440,8 @@ StatusCode PileUpEventLoopMgr::nextEvent(int maxevt)
       }
 
       ATH_MSG_INFO ( "set aliases" );
-      CHECK(m_evtStore->setAlias(pOverEvent, "EventInfo"));
       //add an alias to "OverlayEvent" (backward compatibility)
       CHECK(m_evtStore->setAlias(pOverEvent, "OverlayEvent"));
-      //add an alias to "MyEvent" (backward compatibility)
-      CHECK(m_evtStore->setAlias(pOverEvent, "MyEvent"));
 
       //FIXME at this point one may want to look into the original event
       //FIXME to decide whether to skip it or to do the pile-up

Database/AthenaPOOL/OutputStreamAthenaPool/python/OutputStreamAthenaPool.py

@@ -54,6 +54,7 @@ def createOutputStream( streamName, fileName = "", asAlg = False, noTag = False,
       from OutputStreamAthenaPoolConf import MakeEventStreamInfo 
       streamInfoTool = MakeEventStreamInfo( streamName + "_MakeEventStreamInfo" )
       streamInfoTool.Key = streamName
+      streamInfoTool.EventInfoKey = eventInfoKey
       outputStream.HelperTools = [ streamInfoTool ]
 
    # Set the list of transient items based on what we know is in the transient