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From "pat chan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-3349) Casting datetime objects support or not?
Date Wed, 05 Jun 2013 22:34:21 GMT
pat chan created PIG-3349:

             Summary: Casting datetime objects support or not?
                 Key: PIG-3349
                 URL: https://issues.apache.org/jira/browse/PIG-3349
             Project: Pig
          Issue Type: Bug
          Components: data
    Affects Versions: 0.11.1
            Reporter: pat chan
            Priority: Minor
             Fix For: 0.11.1

Currently you can't cast a datetimeobject into a chararray:

grunt> B = foreach A generate (chararray)a; dump B;
2013-06-05 15:29:01,372 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1052: 
<line 8, column 24> Cannot cast datetime to chararray
Details at logfile: /Users/patc/projects/pig-0.11.1/pig_1370471270879.log

Was this an oversight? The documented casting matrix does not show the datetime object so
I'm not sure if the current behavior is correct or not.

My recommendation would be to support casting to and from strings. Casting from a string would
behave exactly like loading a datetime. Casting to a string would be exactly the format you
get when you dump a datetime.

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