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https://issues.apache.org/jira/browse/PIG-1950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050049#comment-13050049
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Daniel Dai commented on PIG-1950:
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+1
> e2e test harness needs to be able to compare to previous version of Pig
> -----------------------------------------------------------------------
>
> Key: PIG-1950
> URL: https://issues.apache.org/jira/browse/PIG-1950
> Project: Pig
> Issue Type: New Feature
> Components: tools
> Affects Versions: 0.10
> Reporter: Alan Gates
> Assignee: Alan Gates
> Priority: Minor
> Fix For: 0.10
>
> Attachments: PIG-1950.patch
>
>
> Currently the e2e test harness can work either against a database or it can
> compare against canned results. We should also give an option to use an old
> version of Pig to test against. This has value for two cases. One, for
> scripts that cannot be tested against tested against a SQL database we do not
> have to carry the expected results. Two, we can use it for compatibility
> testing between versions.
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