Hi Roland,
Not only the filters but everything that happens on execution, like what kind of columns was really acessed, each sources and the path of the information from source to output, but this we are getting side tracked here, Use PlanViz:
http://scn.sap.com/community/hana-in-memory/blog/2013/12/04/hana-sps-7-first-dazzling-highlights
Regards, Fernando Da Rós