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https://issues.apache.org/jira/browse/CALCITE-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14251996#comment-14251996
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Julian Hyde commented on CALCITE-542:
-------------------------------------
The actual results look OK. Isn't it right that you get (0, 0) repeating 25
times and (1, 1) once. Your expected result has (0, 0) only once, and that
looks wrong.
Note that the 'x 25' comes from how ImmutableMultiSet.toString works when there
are repeats in the set. It's not data!
> Support for Aggregate with grouping sets in RelMdColumnOrigins
> --------------------------------------------------------------
>
> Key: CALCITE-542
> URL: https://issues.apache.org/jira/browse/CALCITE-542
> Project: Calcite
> Issue Type: Bug
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
>
> When we call {{getColumnOrigins}} on an {{Aggregate}} operator with grouping
> sets, an error arrises if we are trying to derive the origin of an indicator
> column associated to a grouping column.
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