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https://issues.apache.org/jira/browse/MRQL-100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15839984#comment-15839984
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ASF GitHub Bot commented on MRQL-100:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-mrql/pull/32
> Fix a bug in group-by when the group-by key is a collection
> -----------------------------------------------------------
>
> Key: MRQL-100
> URL: https://issues.apache.org/jira/browse/MRQL-100
> Project: MRQL
> Issue Type: Bug
> Components: Run-Time Data
> Affects Versions: 0.9.8
> Reporter: Leonidas Fegaras
> Assignee: Leonidas Fegaras
>
> This bug was reported by Gokarna Neupane. The Bag methods compareTo and
> equals do not handle bags with different sizes correctly. This bug resulted
> in wrong results for group-by or order-by when the key is a Bag or a List.
> The following patch fixes this bug.
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