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Posted to issues@paimon.apache.org by "yuzelin (via GitHub)" <gi...@apache.org> on 2023/04/23 03:22:15 UTC

[GitHub] [incubator-paimon] yuzelin opened a new issue, #989: [Feature] Add a mechanism to judge whether to apply filter pushdown

yuzelin opened a new issue, #989:
URL: https://github.com/apache/incubator-paimon/issues/989

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/incubator-paimon/issues) and found nothing similar.
   
   
   ### Motivation
   
   Take new `DELETE` syntax in Flink 1.17 as a instance.
   The flink sink can implement `SupportsDeletePushDown`. But when should the sink apply pushdown? 
   In my opinion, if the filter is very simple, such as delete one row, delete whole table, the cost of pushdown is low; but if the filter is too complex, the cost of pushdown maybe high, so it's better to let flink to do the job.
   
   ### Solution
   
   _No response_
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [ ] I'm willing to submit a PR!


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[GitHub] [incubator-paimon] yuzelin commented on issue #989: [Feature] Add a mechanism to judge whether to apply filter pushdown

Posted by "yuzelin (via GitHub)" <gi...@apache.org>.
yuzelin commented on issue #989:
URL: https://github.com/apache/incubator-paimon/issues/989#issuecomment-1537812404

   @legendtkl Thanks. Can you give some thoughts about this ticket? Or we can have some discussion about how to implement this. I think we should have some draft before doing it.


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[GitHub] [incubator-paimon] JingsongLi closed issue #989: [Feature] Add a mechanism to judge whether to apply filter pushdown

Posted by "JingsongLi (via GitHub)" <gi...@apache.org>.
JingsongLi closed issue #989: [Feature] Add a mechanism to judge whether to apply filter pushdown
URL: https://github.com/apache/incubator-paimon/issues/989


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[GitHub] [incubator-paimon] legendtkl commented on issue #989: [Feature] Add a mechanism to judge whether to apply filter pushdown

Posted by "legendtkl (via GitHub)" <gi...@apache.org>.
legendtkl commented on issue #989:
URL: https://github.com/apache/incubator-paimon/issues/989#issuecomment-1537741927

   hi, @yuzelin , I would like to continue to work on the ticket for the follow-up of DELETE.


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[GitHub] [incubator-paimon] legendtkl commented on issue #989: [Feature] Add a mechanism to judge whether to apply filter pushdown

Posted by "legendtkl (via GitHub)" <gi...@apache.org>.
legendtkl commented on issue #989:
URL: https://github.com/apache/incubator-paimon/issues/989#issuecomment-1537842787

   > @legendtkl Thanks. Can you give some thoughts about this ticket? Or we can have some discussion about how to implement this. I think we should have some draft before doing it.
   
   Yes, discussion is necessary. I need more context about this. Let's discuss this later.


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