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Posted to github@datafusion.apache.org by "adriangb (via GitHub)" <gi...@apache.org> on 2026/04/06 16:33:20 UTC

Re: [I] [Epic] Dynamic row group pruning using TopK threshold during parquet scan [datafusion]

adriangb commented on issue #21399:
URL: https://github.com/apache/datafusion/issues/21399#issuecomment-4193497605

   Why do we need the new arrow APIs? My thought was that we'd pass a the desired RG order into the opener and once it loads row group statistics and does pruning it uses those same row group statistics to re-order the row group selection by updating `ParquetAccessPlan` to store `Vec<(usize, RowGroupAccess)>` or something like that.


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