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https://issues.apache.org/jira/browse/PIG-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706998#action_12706998
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David Ciemiewicz commented on PIG-625:
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I was just about to file a request similar to this and have been threatening to
do so for quite some time.
I live and die by littering my Pig scripts with DESCRIBE statements. One of
the most common wastes of my time is finding out I have a typo in the alias
name in DESCRIBE statements as I do code refactoring and copy and paste coding
between scripts.
If I simply had the ability to add -describe on my command lines, that would
make my life so much easier. And it would make my pig scripts so much cleaner
because they wouldn't have the DESCRIBE litter.
> 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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