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https://issues.apache.org/jira/browse/PARQUET-1025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225566#comment-16225566
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Zoltan Ivanfi edited comment on PARQUET-1025 at 10/30/17 7:30 PM:
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Ah, no, sorry. I started working on in June/July, but then Impala's move to
column indices made min/max stats seem deprecated and I abandoned the effort.
Only later did I learn that column indices only make page-level min/max stats
obsolete and min/max stats for whole row groups will still be useful, but at
that time I was already working on a different task.
was (Author: zi):
Ah, no, sorry. I started working on in June/July, but then Impala's move to
column indices made min/max stats seem deprecated and I abandoned the effort.
Only later did I learn that min/max stats for whole files will still be useful,
but then I was already working on a different task.
> Support new min-max statistics in parquet-mr
> --------------------------------------------
>
> Key: PARQUET-1025
> URL: https://issues.apache.org/jira/browse/PARQUET-1025
> Project: Parquet
> Issue Type: New Feature
> Components: parquet-mr
> Reporter: Zoltan Ivanfi
>
> Impala started using new min-max statistics that got specified as part of
> PARQUET-686. Support for these should be added to parquet-mr as well.
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