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https://issues.apache.org/jira/browse/PARQUET-1125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Blue updated PARQUET-1125:
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Fix Version/s: format-2.4.0
> Add UUID logical type
> ---------------------
>
> Key: PARQUET-1125
> URL: https://issues.apache.org/jira/browse/PARQUET-1125
> Project: Parquet
> Issue Type: Task
> Components: parquet-format
> Reporter: Ryan Blue
> Assignee: Ryan Blue
> Fix For: format-2.4.0
>
>
> I think we should add a UUID logical type that is stored in a 16-byte fixed.
> The common string representation is 36 bytes instead of the 16 required.
> UUIDs are commonly used as unique identifiers, so it makes sense to have a
> good support. A binary representation will reduce memory when writing or
> building bloom filters and will reduce cycles needed to compare values.
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