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https://issues.apache.org/jira/browse/PARQUET-137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220135#comment-14220135
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Ryan Blue commented on PARQUET-137:
-----------------------------------
Thanks for looking at this, Christian! Brock is right that NanoTime is for demo
purposes only. In fact, I wouldn't recommend building your own copy of it
either because the "timestamp" it works with is undocumented and uses an int96
without an annotation. We've been looking at this problem lately and we have
defined both type annotations and specified how they should be interpreted. The
next step is to implement those types in the object models like you've done
here. In fact, this will be the first implementation.
The specification for date/time types is on the [LogicalTypes
page|https://github.com/apache/incubator-parquet-format/blob/master/LogicalTypes.md#datetime-types].
If you need any help with the spec, feel free to ask questions and I'll
clarify.
> Add support for Pig datetimes
> -----------------------------
>
> Key: PARQUET-137
> URL: https://issues.apache.org/jira/browse/PARQUET-137
> Project: Parquet
> Issue Type: Improvement
> Affects Versions: 1.6.0rc2
> Reporter: Christian Rolf
> Priority: Minor
> Attachments: parquet_datetime_support.patch
>
>
> There's currenly no support for conversion to/from Pig datetimes
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