Add global -explain, -illustrate, -describe mode to PIG
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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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