geoffreyclaude commented on PR #24526:
URL: https://github.com/apache/datafusion/pull/24526#issuecomment-5422600129

   > FYI I think @geoffreyclaude has many optimizations for IN list in flight
   > 
   > * [Further improve performance of IN list evaluation 
#19241](https://github.com/apache/datafusion/issues/19241)
   > 
   > @geoffreyclaude can you help review this PR and let me know if it 
conflicts with what you have planned?
   > 
   > (BTW @sunchao is the original author of the arrow-rs parquet reader, one 
of the original contributors of DataFusion Comet, and a long time friend of the 
project)
   
   Thanks for the ping @alamb. I took a high level look at this and I don't see 
any conflict with #19241: rather it's complimentary as @viirya noted.
   There might indeed be opportunities for factorizing common code, but that 
should probably be done once both streams are committed and stable to avoid 
annoying conflicts.
   I'll do a more in-depth pass on the PR and see if there are any in-line 
comments to make. But overall it looks really nice!


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