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https://issues.apache.org/jira/browse/CALCITE-632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-632.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.2.0-incubating
Fixed in
http://git-wip-us.apache.org/repos/asf/incubator-calcite/commit/3923ec76.
> Sort order returned by SUPERCLASS_COMPARATOR in ReflectiveRelMetadataProvider
> is inconsistent
> ---------------------------------------------------------------------------------------------
>
> Key: CALCITE-632
> URL: https://issues.apache.org/jira/browse/CALCITE-632
> Project: Calcite
> Issue Type: Bug
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Fix For: 1.2.0-incubating
>
>
> By default, 1 is returned. However, when none of the classes is a super class
> of the other one, this could lead to inconsistent order as the Comparable
> will return the same result e.g. compare(Exchange, Sort) = 1 and
> compare(Sort, Exchange) = 1.
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