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https://issues.apache.org/jira/browse/CALCITE-1758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15973281#comment-15973281
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slim bouguerra commented on CALCITE-1758:
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cc [~jcamachorodriguez]
> Push down to druid the order by limit operator
> ----------------------------------------------
>
> Key: CALCITE-1758
> URL: https://issues.apache.org/jira/browse/CALCITE-1758
> Project: Calcite
> Issue Type: Improvement
> Components: druid
> Reporter: slim bouguerra
> Assignee: Julian Hyde
> Fix For: 1.13.0
>
>
> Push as much as we can order by limit operators.
> This use to be not possible because of the way druid bucket the data.
> With Extraction dimension specs we can now set granularity to all and craft
> the extraction dimension spec in order to make time as new group by column.
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