Elias Levy created KAFKA-4144:
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             Summary: Allow per stream/table timestamp extractor
                 Key: KAFKA-4144
                 URL: https://issues.apache.org/jira/browse/KAFKA-4144
             Project: Kafka
          Issue Type: Improvement
          Components: streams
    Affects Versions: 0.10.0.1
            Reporter: Elias Levy
            Assignee: Guozhang Wang


At the moment the timestamp extractor is configured via a StreamConfig value to 
KafkaStreams.  That means you can only have a single timestamp extractor per 
app, even though you may be joining multiple streams/tables that require 
different timestamp extraction methods.

You should be able to specify a timestamp extractor via 
KStreamBuilder.stream/table, just like you can specify key and value serdes 
that override the StreamConfig defaults.



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