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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 22:47:26 UTC

[GitHub] [beam] damccorm opened a new issue, #21359: Support projection pushdown after beginning of pipeline.

damccorm opened a new issue, #21359:
URL: https://github.com/apache/beam/issues/21359

   The first iteration of projection pushdown will only support pushdown on transforms at the beginning of the pipeline.
   
   This is due to difficulties using PTransformOverrideFactory - it requires getting the transform's input as an argument, and there's currently no way to do this generically.
   
   For more on projection pushdown, see BEAM-12976.
   
   Imported from Jira [BEAM-13658](https://issues.apache.org/jira/browse/BEAM-13658). Original Jira may contain additional context.
   Reported by: ibzib.


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