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Posted to issues@beam.apache.org by "Dylan Hercher (Jira)" <ji...@apache.org> on 2020/10/04 23:43:00 UTC

[jira] [Created] (BEAM-11006) Allow Failsafe Handling of BigQuery Streaming Writes

Dylan Hercher created BEAM-11006:
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             Summary: Allow Failsafe Handling of BigQuery Streaming Writes
                 Key: BEAM-11006
                 URL: https://issues.apache.org/jira/browse/BEAM-11006
             Project: Beam
          Issue Type: Improvement
          Components: extensions-java-gcp
            Reporter: Dylan Hercher


To allow handling of a generic failsafe (of any type) would allow a dead letter queue to retain the original source data rather than the cleaned version and could be more easily understood and re-processed.

 

The BigQueryIO.Write currently supports `withFormatFunction` which allows for a serializable function to be applied to each datapoint -> TableRow.  Ideally that same source value could be converted with a separate function:

`withFailsafeFormatFunction` taken (InputT -> TableRow) or possibly (InputT -> OutputT), though the backwards compatibility of OutputT is more difficult.



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