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https://issues.apache.org/jira/browse/PIG-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated PIG-1314:
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Attachment: PIG-1314-6.patch
Hi Thejas,
I attached my latest patch. In this version, I fixed the default timezone
issue. Pig can obtain the timezone string from PigContext, which can be loaded
from either the default property files or some user supplied sources. Instead
of calling PigMapReduce.sJobConfInternal.get().get("pig.datetime.default.tz")
every time when no user-supplied timezone is specified for DateTime
construction, I configure the default timezone of joda when PigGenericMapBase
and PigGenericMapReduce are at the setup() stage. Therefore, when no timezone
is specified for DateTime construction, the created DateTime object will
automatically use the default timezone. I think by doing this, users do not
need to touch too much detail (calling PigMapReduce.sJobConfInternal) when
writing their UDFs that are related to DateTime, and avoid the ambiguity that
PigMapReduce.sJobConfInternal.get().get("pig.datetime.default.tz") and
DateTimeZone.getDefault().getID() may sometimes be different.
> Add DateTime Support to Pig
> ---------------------------
>
> Key: PIG-1314
> URL: https://issues.apache.org/jira/browse/PIG-1314
> Project: Pig
> Issue Type: Bug
> Components: data
> Affects Versions: 0.7.0
> Reporter: Russell Jurney
> Assignee: Zhijie Shen
> Labels: gsoc2012
> Attachments: joda_vs_builtin.zip, PIG-1314-1.patch, PIG-1314-2.patch,
> PIG-1314-3.patch, PIG-1314-4.patch, PIG-1314-5.patch, PIG-1314-6.patch
>
> Original Estimate: 672h
> Remaining Estimate: 672h
>
> Hadoop/Pig are primarily used to parse log data, and most logs have a
> timestamp component. Therefore Pig should support dates as a primitive.
> Can someone familiar with adding types to pig comment on how hard this is?
> We're looking at doing this, rather than use UDFs. Is this a patch that
> would be accepted?
> This is a candidate project for Google summer of code 2012. More information
> about the program can be found at
> https://cwiki.apache.org/confluence/display/PIG/GSoc2012
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