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https://issues.apache.org/jira/browse/CALCITE-889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876092#comment-14876092
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Jesus Camacho Rodriguez edited comment on CALCITE-889 at 9/18/15 6:35 PM:
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You are right, if sorting columns (1) are not the same, or (2) those in the top
sort are not a subset of those in the input sort, it cannot be updated;
otherwise, at least the limit in the input sort could be updated (if smaller),
as this could be beneficial.
was (Author: jcamachorodriguez):
You are right, if sorting columns (1) are not the same, or (2) those in the top
sort are not a subset of those in the input sort, it cannot be updated;
otherwise, at least the limit could be updated (if smaller), as this could be
beneficial.
> Implement SortUnionTransposeRule
> --------------------------------
>
> Key: CALCITE-889
> URL: https://issues.apache.org/jira/browse/CALCITE-889
> Project: Calcite
> Issue Type: Sub-task
> Reporter: Pengcheng Xiong
> Assignee: Julian Hyde
> Attachments: CALCITE-889.01.patch
>
>
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