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Posted to github@arrow.apache.org by "tustvold (via GitHub)" <gi...@apache.org> on 2023/02/27 12:11:00 UTC

[GitHub] [arrow-datafusion] tustvold commented on issue #5404: Datafusion v19.rc1 scan parquet 20x slower than DuckDB v0.6.1 on 15GB ClickBench data

tustvold commented on issue #5404:
URL: https://github.com/apache/arrow-datafusion/issues/5404#issuecomment-1446218984

   > Lazy projection(aka Later projection) can improve this case mostly
   
   Support for this was added to parquet not too long ago, it may just be a case of hooking it up - https://github.com/apache/arrow-rs/pull/3633


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