Hello! You can have a transformer on your data streamer to do something to the old value (e.g. keep some fields of it in new value V).
Regards, -- Ilya Kasnacheev пн, 9 нояб. 2020 г. в 14:52, ssansoy <s.san...@cmcmarkets.com>: > Thanks for this, > > We considering this approach - writing all the entries to some table V, and > then updating a separate token cache T with a signal, picked up by the > continuous query, which then filters the underlying V records, transforms > them and sends them to the client. > > However, one problem we ran into - is we lose the "old" values from the > underlying table V. Normally the continuous query has access to the new > value and the old value, so the client app can detect which entries no > longer match the remote filter. With this technique however, the continuous > query remote transformer has the old and new value of T, but is ultimately > doing a ScanQuery on V to get all the "current" values. > > Do you have any advice on how we can still achieve that? > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >
