[jira] [Updated] (CRUNCH-22) Join functions break when non-mapped types are used as a join key

["Gabriel Reid (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CRUNCH-22?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabriel Reid updated CRUNCH-22:
-------------------------------

    Attachment: CRUNCH-22.patch

Patch to correct issue, as well as unit tests for basic functionality of all join types.
                
> Join functions break when non-mapped types are used as a join key
> -----------------------------------------------------------------
>
>                 Key: CRUNCH-22
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-22
>             Project: Crunch
>          Issue Type: Bug
>            Reporter: Gabriel Reid
>            Assignee: Gabriel Reid
>         Attachments: CRUNCH-22.patch
>
>
> When non-mapped types (i.e. custom Writables or Avro records) are used as a join key in all join functions, the join does not operate correctly (and becomes closer to producing a Cartesian product) due to object re-use in Hadoop.

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