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From "Russell Jurney (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1310) ISO Date UDFs: Conversion, Rounding and Date Math
Date Fri, 19 Mar 2010 21:38:27 GMT
ISO Date UDFs: Conversion, Rounding and Date Math
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                 Key: PIG-1310
                 URL: https://issues.apache.org/jira/browse/PIG-1310
             Project: Pig
          Issue Type: New Feature
          Components: impl
            Reporter: Russell Jurney
             Fix For: 0.7.0


I've written UDFs to handle loading unix times, datemonth values and ISO 8601 formatted date
strings, and working with them as ISO datetimes using jodatime.

The working code is here: http://github.com/rjurney/oink/tree/master/src/java/oink/udf/isodate/

It needs to be documented and tests added, and a couple UDFs are missing, but these work if
you REGISTER the jodatime jar in your script.  Hopefully I can get this stuff in piggybank
before someone else writes it this time :)  The rounding also may not be performant, but the
code works.

Ultimately I'd also like to enable support for ISO 8601 durations.  Someone slap me if this
isn't done soon, it is not much work and this should help everyone working with time series.

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