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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-598) Parameter substitution ($PARAMETER) should not be performed in comments
Date Tue, 27 Oct 2009 21:10:59 GMT

     [ https://issues.apache.org/jira/browse/PIG-598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thejas M Nair updated PIG-598:
------------------------------

    Patch Info: [Patch Available]

> Parameter substitution ($PARAMETER) should not be performed in comments
> -----------------------------------------------------------------------
>
>                 Key: PIG-598
>                 URL: https://issues.apache.org/jira/browse/PIG-598
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.2.0
>            Reporter: David Ciemiewicz
>            Assignee: Thejas M Nair
>         Attachments: PIG-598.patch
>
>
> Compiling the following code example will generate an error that $NOT_A_PARAMETER is
an Undefined Parameter.
> This is problematic as sometimes you want to comment out parts of your code, including
parameters so that you don't have to define them.
> This I think it would be really good if parameter substitution was not performed in comments.
> {code}
> -- $NOT_A_PARAMETER
> {code}
> {code}
> -bash-3.00$ pig -exectype local -latest comment.pig
> USING: /grid/0/gs/pig/current
> java.lang.RuntimeException: Undefined parameter : NOT_A_PARAMETER
>         at org.apache.pig.tools.parameters.PreprocessorContext.substitute(PreprocessorContext.java:221)
>         at org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.parsePigFile(ParameterSubstitutionPreprocessor.java:106)
>         at org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.genSubstitutedFile(ParameterSubstitutionPreprocessor.java:86)
>         at org.apache.pig.Main.runParamPreprocessor(Main.java:394)
>         at org.apache.pig.Main.main(Main.java:296)
> {code}

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