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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-385) Should support 'null' as a constant
Date Thu, 21 Aug 2008 00:02:44 GMT
Should support 'null' as a constant
-----------------------------------

                 Key: PIG-385
                 URL: https://issues.apache.org/jira/browse/PIG-385
             Project: Pig
          Issue Type: New Feature
          Components: impl
    Affects Versions: types_branch
            Reporter: Alan Gates
            Priority: Minor
             Fix For: types_branch


It would be nice to be able to do things like:

B = foreach A generate $0 > 0 ? $0 : null;

but right now null is not allowed as a constant.  This null constant should be allowed anywhere
an expression would be, and should be castable (that is (int)null).

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