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https://issues.apache.org/jira/browse/PIG-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670056#action_12670056
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Alan Gates commented on PIG-654:
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+1
> Optimize build.xml
> ------------------
>
> Key: PIG-654
> URL: https://issues.apache.org/jira/browse/PIG-654
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: types_branch
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Priority: Trivial
> Fix For: types_branch
>
> Attachments: PIG-654.patch
>
>
> Build process can be faster. Here is the issues slow down the build process:
> 1. Should change test/org/apache/pig/test/utils/dotGraph/Dot.jjt to
> DOTParser.jjt. [jjtree] assumes the output file name the same with the input
> file name, otherwise, it will recompile every time
> 2. Delete
> src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POPostCombinerPackage.java
> and src/org/apache/pig/impl/plan/SplitIntroducer.java, both classes are
> empty and generates no class file. Ant will recompile them every time since
> it do not see the output class file.
> I do not know how to create a patch with file deletion and rename, so I
> describe the actions below:
> 1. mv test/org/apache/pig/test/utils/dotGraph/Dot.jjt
> test/org/apache/pig/test/utils/dotGraph/DOTParser.jjt
> 2. rm
> src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POPostCombinerPackage.java
> 3. rm src/org/apache/pig/impl/plan/SplitIntroducer.java
> 4. apply patch to change build.xml (Dot.jjt -> DOTParser.jjt)
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