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https://issues.apache.org/jira/browse/AVRO-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14601651#comment-14601651
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Ryan Blue commented on AVRO-1683:
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Thanks for reviewing this, Tom! I'll commit this later today.
> Add microsecond-precision time and timestamp logical type specs
> ---------------------------------------------------------------
>
> Key: AVRO-1683
> URL: https://issues.apache.org/jira/browse/AVRO-1683
> Project: Avro
> Issue Type: Improvement
> Components: spec
> Reporter: Ryan Blue
> Assignee: Ryan Blue
> Attachments: AVRO-1683-1.patch
>
>
> SQL engines that store data in Avro need to be able to store times and
> timestamps to meet the SQL spec. For portability, those values should be
> labelled so other readers can work with the data. I propose adding two new
> logical types:
> * time-micros: annotates a long, represents the number of microseconds from
> midnight.
> * timestamp-micros: annotates a long, represents the number of microseconds
> from the unix epoch.
> Like the other time types, these representations match the ones that were
> just added to Parquet (PARQUET-200) to make implementations easier.
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