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https://issues.apache.org/jira/browse/PARQUET-323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406330#comment-15406330
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Julien Le Dem commented on PARQUET-323:
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I think we should deprecate it and discourage its use. For backward
compatibility, it has to stay.
https://github.com/apache/parquet-format/blob/master/LogicalTypes.md doesn't
even refer to it.
> INT96 should be marked as deprecated
> ------------------------------------
>
> Key: PARQUET-323
> URL: https://issues.apache.org/jira/browse/PARQUET-323
> Project: Parquet
> Issue Type: Bug
> Components: parquet-format
> Reporter: Cheng Lian
>
> As discussed in the mailing list, {{INT96}} is only used to represent nanosec
> timestamp in Impala for some historical reasons, and should be deprecated.
> Since nanosec precision is rarely a real requirement, one possible and simple
> solution would be replacing {{INT96}} with {{INT64 (TIMESTAMP_MILLIS)}} or
> {{INT64 (TIMESTAMP_MICROS)}}.
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