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https://issues.apache.org/jira/browse/PIG-3461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775989#comment-13775989
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Cheolsoo Park commented on PIG-3461:
------------------------------------

+1. LGTM!

When you commit, can you please add the new property to "conf/pig.properties" 
with some comment? For eg,
{code}
# Set this option to true if you need to use the old partition filter 
optimizer. But note it will be deprecated in the future.
# pig.exec.useOldPartitionFilterOptimize=true
{code}
I think we should document it somewhere even though we'll remove it in the next 
release.
                
> Rewrite PartitionFilterOptimizer to make it work for all the cases
> ------------------------------------------------------------------
>
>                 Key: PIG-3461
>                 URL: https://issues.apache.org/jira/browse/PIG-3461
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.11.1
>            Reporter: Aniket Mokashi
>            Assignee: Aniket Mokashi
>             Fix For: 0.12
>
>         Attachments: PIG-3461-2.patch, PIG-3461-4.patch, PIG-3461-6.patch
>
>
> Current algorithm for Partition Filter pushdown identification fails in 
> several corner cases. We need to rewrite its logic so that it works in all 
> cases and does the maximum possible filter pushdown.

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