Hi, there is no built-in support for key changes. You might be able to feedback a changed key with an iteration edge, but not sure how well that works.
Best, Fabian 2017-08-01 7:32 GMT+02:00 Govindarajan Srinivasaraghavan < govindragh...@gmail.com>: > Hi, > > I have a keyby state but the key can change quite frequently for the same > user and I need the previous keyBy state value for the user if there is a > key change. > > Right now I'm using redis cache for the global state. Is there a way to > achieve this within flink? >
