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https://issues.apache.org/jira/browse/PIG-158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Santhosh Srinivasan updated PIG-158:
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Attachment: udf_funcSpec.patch
The patch udf_funcSpec.patch does the following:
1. In LOUserFunc, funcSpec is passed instead of funcName
2. The translation from logical to physical layer uses the funcSpec instead of
funcName
3. The parser looks for functions registered using registerFunction to retrieve
the funcSpec
4. Changes to pigContext to support querying and instantiating functions
registered using registerFunction
> Rework logical plan
> -------------------
>
> Key: PIG-158
> URL: https://issues.apache.org/jira/browse/PIG-158
> Project: Pig
> Issue Type: Sub-task
> Components: impl
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: is_null.patch, logical_operators.patch,
> logical_operators_rev_1.patch, logical_operators_rev_2.patch,
> logical_operators_rev_3.patch, parser_changes.patch, parser_changes_v1.patch,
> parser_changes_v2.patch, parser_changes_v3.patch, parser_changes_v4.patch,
> ParserErrors.txt, udf_fix.patch, udf_funcSpec.patch, udf_return_type.patch,
> user_func_and_store.patch, visitorWalker.patch
>
>
> Rework the logical plan in line with
> http://wiki.apache.org/pig/PigExecutionModel
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