[PR] [spark] Support push down aggregate with group by partition column [paimon]

["ulysses-you (via GitHub)" <gi...@apache.org>]

ulysses-you opened a new pull request, #4275:
URL: https://github.com/apache/paimon/pull/4275

   <!-- Please specify the module before the PR name: [core] ... or [flink] ... -->
   
   ### Purpose
   
   <!-- Linking this pull request to the issue -->
   If the aggregate all group by keys are from partition columns, we can support push down it. It makes user to get every partition (or with partition filter) row count fast. 
   
   <!-- What is the purpose of the change -->
   
   ### Tests
   
   <!-- List UT and IT cases to verify this change -->
   add test
   
   ### API and Format
   
   <!-- Does this change affect API or storage format -->
   no
   
   ### Documentation
   
   <!-- Does this change introduce a new feature -->
   


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Re: [PR] [spark] Support push down aggregate with group by partition column [paimon]

["YannByron (via GitHub)" <gi...@apache.org>]

YannByron commented on PR #4275:
URL: https://github.com/apache/paimon/pull/4275#issuecomment-2423848270

   Link to https://github.com/apache/paimon/issues/2404.


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