remove unused java 7 reference
Merge remote-tracking branch 'upstream/develop' into PLFM-3073
Adding select column info to all apis
simplify
fix hash/equals
cleanup
move caching a bit higher
aggregate uses visitor
get derived column types
unit test fix
Merge remote-tracking branch 'upstream/develop' into PLFM-3073
Merge pull request #1626 from marcel-blonk/PLFM-3073

API change to tables