Am 04.11.10 12:07, schrieb Martin Kutschker: > In the times of IDEs I suggest aggregateBy() for the SQL-like "grouping" and groupBy() for the "real" grouping (as posted by you). Ya, I like that. Someone got time and resources to give it a try? We'll habe to take a closer look on FLOW3 as we are just a backport in the end. ;-) regards, foertel