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https://issues.apache.org/jira/browse/PIG-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13089975#comment-13089975
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Kevin Burton commented on PIG-625:
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@Olga. I think this is a good point. Perhaps it should be in the
documentation or -help on the command line. This didn't dawn on me at first
but you're right it's easier to do it this way.
> Add global -explain, -illustrate, -describe mode to PIG
> -------------------------------------------------------
>
> Key: PIG-625
> URL: https://issues.apache.org/jira/browse/PIG-625
> Project: Pig
> Issue Type: New Feature
> Reporter: Yiping Han
>
> Currently PIG has the command EXPLAIN, ILLUSTRATE and DESCRIBE. But user need
> to manually add/remove these lines in the script when they want to debug or
> see details of the job. I think there should be a wait to enable these
> globally.
> What I suggest is, to add -explain, -illustrate, -describe options to PIG
> command line. When either of these are presented, all the DUMP and STORE
> commands in the script are converted into EXPLAIN, ILLUSTRATE, DESCRIBE
> correspondingly. This makes debugging easier.
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