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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/04/26 13:17:52 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #87: [Rust] Add better and faster support for dictionary types

alamb commented on issue #87:
URL: https://github.com/apache/arrow-datafusion/issues/87#issuecomment-826828067


   Comment from Andrew Lamb(alamb) @ 2020-10-06T12:25:16.639+0000:
   <pre>FYI [~andygrove] -- I am doing some part of this in ARROW-10159 -- however, the initial implementation effectively converts DictionaryArray --> PrimitiveArray / StringArray and then uses the existing processing.
   
   To support the actual efficient processing usecase, I think significant work will be needed to add appropriate dictionary support to the arrow compute kernels</pre>


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