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https://issues.apache.org/jira/browse/PIG-3359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Packer updated PIG-3359:
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Attachment: PIG-3359-v1.diff
This is my first take at a patch that fixes the problems described above. I'll
make a code review request on Review Board as well.
> Register Statements and Param Substitution in Macros
> ----------------------------------------------------
>
> Key: PIG-3359
> URL: https://issues.apache.org/jira/browse/PIG-3359
> Project: Pig
> Issue Type: Bug
> Components: parser
> Reporter: Jonathan Packer
> Assignee: Jonathan Packer
> Attachments: PIG-3359-v1.diff
>
>
> There are some gaps in the functionality of macros that I'll be making a
> patch to address. The goal is to provide everything you'd need to make
> reusable algorithms libraries.
> 1. You can't register udfs inside a macro
> 2. Paramater substitutions aren't done inside macros
> 3. Resources (including macros) should not be redundantly acquired if they
> are already present.
> Rohini's patch https://issues.apache.org/jira/browse/PIG-3204 should address
> problem 3 where Pig reparses everything every time it reads a line, but there
> still would be a problem if two separate files import the same macro / udf
> file.
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