[jira] [Commented] (PARQUET-574) Boolean format in Plain Decoder

["Wes McKinney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PARQUET-574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214952#comment-15214952 ] 

Wes McKinney commented on PARQUET-574:
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Sounds like this is my mistake in parquet-cpp -- if someone can reference the relevant code in parquet-mr confirming one way or the other we can fix the C++ implementation.

> Boolean format in Plain Decoder 
> --------------------------------
>
>                 Key: PARQUET-574
>                 URL: https://issues.apache.org/jira/browse/PARQUET-574
>             Project: Parquet
>          Issue Type: Improvement
>            Reporter: Fabrizio Milo
>            Priority: Trivial
>
> In the encoding.md document is written that the plain encoder for boolean uses [RLE/BitPacking](https://github.com/apache/parquet-format/blob/master/Encodings.md#plain-plain--0) 
> While in the cpp implementation seems is just using [simple bit decoding back to back.](https://github.com/apache/parquet-cpp/blob/master/src/parquet/encodings/plain-encoding.h#L151)
> Which one is the right format ? 



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