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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 21:12:43 UTC

[GitHub] [beam] kennknowles opened a new issue, #18901: Schemas across pipeline modifications

kennknowles opened a new issue, #18901:
URL: https://github.com/apache/beam/issues/18901

   As per the snapshot/update proposal, we want to be able to update pipelines without damaging the in-flight state. Since schema fields might get reordered on update, we must ensure that the old mappings are preserved. This will require us to have two ids - the logical ids the user interfaces with (which might change), and the physical index where we store the schema.
   
   Imported from Jira [BEAM-4459](https://issues.apache.org/jira/browse/BEAM-4459). Original Jira may contain additional context.
   Reported by: reuvenlax.
   Subtask of issue #18898


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