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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