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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/08/09 17:58:14 UTC

[GitHub] [arrow-datafusion] Dandandan commented on issue #846: Improve grouping performance by special casing small / fixed size keys

Dandandan commented on issue #846:
URL: https://github.com/apache/arrow-datafusion/issues/846#issuecomment-895422907


   For the direct indexing idea, there is some more context here for the hash join https://github.com/apache/arrow-datafusion/issues/816 where a similar approach could be used.


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