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Posted to issues@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2022/02/05 02:17:00 UTC

[jira] [Created] (ARROW-15586) [C++] Clarify Substrait's push down filtering semantics and possibly alter the consumer

Weston Pace created ARROW-15586:
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             Summary: [C++] Clarify Substrait's push down filtering semantics and possibly alter the consumer
                 Key: ARROW-15586
                 URL: https://issues.apache.org/jira/browse/ARROW-15586
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Weston Pace


The substrait consumer currently interprets the ReadRel::filter in a Substrait plan as a best effort push-down filter.  It's not clear if this is the correct semantic interpretation at the moment.  I have opened https://github.com/substrait-io/substrait/issues/137 to investigate.  Once that is resolved, if we predicted the semantics incorrectly, we should fix the consumer.

On the other hand, if the Substrait semantics are found to agree with our interpretation we can close this issue.



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