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https://issues.apache.org/jira/browse/PIG-1738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933524#action_12933524
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Yan Zhou commented on PIG-1738:
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+1. This solution is to use caching of the often-used object. It is based on
the assumption that once mFuncSpec is set, itself and its contents won't be
modified, at least after the getFieldSchema method is called. But this
invariant is nowhere to find in code. We may need to comment somehow. Otherwise
patch looks ok.
> New logical plan: Optimized UserFuncExpression.getFieldSchema
> -------------------------------------------------------------
>
> Key: PIG-1738
> URL: https://issues.apache.org/jira/browse/PIG-1738
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.8.0
>
> Attachments: PIG-1738-1.patch
>
>
> Currently every time we invoke UserFuncExpression.getFieldSchema, Pig will
> instantiate UserFunc. This is not efficient and should change.
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