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From "Russell Jurney (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1310) ISO Date UDFs: Conversion, Rounding and Date Math
Date Thu, 25 Mar 2010 08:55:27 GMT

     [ https://issues.apache.org/jira/browse/PIG-1310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Russell Jurney updated PIG-1310:

    Attachment: datetime3.patch

This patch addresses all issues raised:

I have pulled DateMonthToISO - CustomFormatToISO takes care of this.

I made the introductory comments javadoc with intro sentences.  I put links to ISO8601, jodatime
and DateFormat stuffs.

I made UnixToISO properly eat a Long.

I made a real example for CustomFormatToISO based on an actual grunt session.  I linked to
jodatime DateFormat documentation in the Javadoc.

I verified that jodatime exceptions throw/appear well in grunt.  I think these are good enough
for now, they are pretty informative.  I'll assign pig error codes when I do the datetime
work in Pig.

I adjusted all 'round' package names/comments to 'truncate'.  

> ISO Date UDFs: Conversion, Rounding and Date Math
> -------------------------------------------------
>                 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
>         Attachments: datetime3.patch
>   Original Estimate: 168h
>  Remaining Estimate: 168h
> 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

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