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https://issues.apache.org/jira/browse/HIVE-8988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14244550#comment-14244550
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Jesus Camacho Rodriguez commented on HIVE-8988:
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OK, I was confused with the {{grouping_id}} function, as I thought the input
were the _indicator_ columns instead of the _grouping_ columns themselves. Now
I get your point.
Would that {{$foo}} function be something interesting to have in Calcite
itself? Meaning, a function that given _n_ booleans, computes the integer value
as {{i0 + 2 * i1 + 4 * i2 + ...}}? Otherwise, I'll implement it and keep it in
Hive.
> Support advanced aggregation in Hive to Calcite path
> -----------------------------------------------------
>
> Key: HIVE-8988
> URL: https://issues.apache.org/jira/browse/HIVE-8988
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.15.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Labels: grouping, logical, optiq
> Fix For: 0.15.0
>
> Attachments: HIVE-8988.01.patch, HIVE-8988.patch
>
>
> CLEAR LIBRARY CACHE
> To close the gap between Hive and Calcite, we need to support the translation
> of GroupingSets into Calcite; currently this is not implemented.
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