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https://issues.apache.org/jira/browse/PIG-1575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuefu Zhang updated PIG-1575:
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Attachment: jira-1575-2.patch
> Complete the migration of optimization rule PushUpFilter including missing
> test cases
> -------------------------------------------------------------------------------------
>
> Key: PIG-1575
> URL: https://issues.apache.org/jira/browse/PIG-1575
> Project: Pig
> Issue Type: Bug
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Fix For: 0.8.0
>
> Attachments: jira-1575-1.patch, jira-1575-2.patch
>
>
> The Optimization rule under the new logical plan, PushUpFilter, only does a
> subset of optimization scenarios compared to the same rule under the old
> logical plan. For instance, it only considers filter after join, but the old
> optimization also considers other operators such as CoGroup, Union, Cross,
> etc. The migration of the rule should be complete.
> Also, the test cases created for testing the old PushUpFilter wasn't migrated
> to the new logical plan code base. It should be also migrated. (A few has
> been migrated in JIRA-1574.)
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