Andy,

Thanks for your interest in doing a KIP. Just sign up at the AK wiki and
provide your ID so we can grant you write access to create a new page in
the wiki.

However, I am not sure if I understand what you want to suggest? The key
of a message cannot really change? Kafka topics store immutable data.
Can you elaborate what use case you are targeting?

Also note, if you want to actively change the key for records on an
KTable to create a new KTable, you would call `KTable.groupBy()`.


-Matthias


On 2/7/18 7:09 PM, Andy Bryant wrote:
> Hi there
> 
> I'd like the ability to raise a KIP.
> 
> I intend to raise on to suggest adding KTable.selectKey method which
> differs in behaviour from KStream.selectKey in that it knows when the
> selected key changes for a given record so can react appropriately.
> 
> Thanks
> Andy Bryant
> 

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