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Posted to dev@parquet.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2017/03/26 07:59:41 UTC

[jira] [Commented] (PARQUET-924) [C++] Persist original type metadata from Arrow schemas

    [ https://issues.apache.org/jira/browse/PARQUET-924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15942191#comment-15942191 ] 

Uwe L. Korn commented on PARQUET-924:
-------------------------------------

We should store the original Arrow schema in the file metadata, similar behaviour should be implemented for AVRO and protobuf. This would ensure that we have a solution that also works for any additional Arrow type.

> [C++] Persist original type metadata from Arrow schemas
> -------------------------------------------------------
>
>                 Key: PARQUET-924
>                 URL: https://issues.apache.org/jira/browse/PARQUET-924
>             Project: Parquet
>          Issue Type: New Feature
>          Components: parquet-cpp
>            Reporter: Wes McKinney
>
> This will enable us to convert back to the original type in some cases (DictionaryArray, Time with seconds)



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