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https://issues.apache.org/jira/browse/FLINK-2666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek closed FLINK-2666.
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Resolution: Fixed
Fix Version/s: 0.10
Implemented in
https://github.com/apache/flink/commit/54668242be36ca7d40eed0a187521a2c9a8ad930
> Allow custom Timestamp extractors for Flink sources
> ---------------------------------------------------
>
> Key: FLINK-2666
> URL: https://issues.apache.org/jira/browse/FLINK-2666
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Gyula Fora
> Assignee: Aljoscha Krettek
> Priority: Minor
> Fix For: 0.10
>
>
> When record timestamps are turned on users currently have 2 ways of
> specifying record timestamps.
> They can either chose to automatically attach ingress timestamps (and send
> watermarks), or custom implement a sourcefunction to manually assign
> timestamps and emit watermarks.
> It would be good if users could define a Timestamp extractor function that
> will attach a timestamp for every record generated using any of the current
> Flink sources. Also watermarks for these records should be automatically
> generated based on the extracted event time (assuming monotonicity per
> source) periodically.
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