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Posted to dev@sedona.apache.org by GitBox <gi...@apache.org> on 2022/09/22 12:02:36 UTC

[GitHub] [incubator-sedona] Kimahriman commented on pull request #693: [SEDONA-166] Support type-safe dataframe style API

Kimahriman commented on PR #693:
URL: https://github.com/apache/incubator-sedona/pull/693#issuecomment-1254925542

   > @douglasdennis Another interesting finding: since the type-safe dataframe APIs do not need to call "udf.register()" to register all functions, is it possible that, as a side effect, predicate pushdown is finally supported in Sedona?
   
   I believe the current mechanism doesn't use UDFs technically, it registers SQL functions directly which _should_ theoretically be usable by predicate pushdown (if you can figure out that mechanism in V1). That's why we can do things like join detection with pattern matching on the expressions


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