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Posted to issues@calcite.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2015/03/20 04:46:38 UTC
[jira] [Updated] (CALCITE-632) Sort order returned by
SUPERCLASS_COMPARATOR in ReflectiveRelMetadataProvider is inconsistent
[ https://issues.apache.org/jira/browse/CALCITE-632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated CALCITE-632:
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Description: 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. (was: By default, 1 is returned. But the default case is that bot classes are not related, and in that case, in relation to sorting, they should be equal, and thus the return value should be 0.)
> 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
>
> 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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