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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/02/05 08:18:38 UTC

[GitHub] [arrow-rs] zeevm commented on issue #1270: Expose Dictionary to reader

zeevm commented on issue #1270:
URL: https://github.com/apache/arrow-rs/issues/1270#issuecomment-1030575351


   @alamb @tustvold My use case is a proprietary analytical DB engine, it has its' own proprietary storage format but also allows running queries against external formats like Parquet.
   
   As it already has a highly optimized scan capability of dictionary encoded data, all I want is for it to have access to the raw Parquet dictionary.
   
   I don't want to take a dependency on Arrow array for that as I'm not using Arrow at all, I don't deserialize Parquet into Arrow since the engine I'm working on has its' own in-memory representation (I don't even build Arrow with Parquet)


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