Jonathan Packer created PIG-3359:
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Summary: 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
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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