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https://issues.apache.org/jira/browse/PIG-1896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13006416#comment-13006416
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Jonathan Holloway commented on PIG-1896:
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I did attach this as a patch as well after the initial issue was added - I
didn't have permission to remove the old comment - see pigcastutils.patch.
Makes sense from a function name point of view - I can add unit tests as well.
Utf8StorageConverter has:
private Object bytesToObject(byte[] b, ResourceFieldSchema fs) throws
IOException
which, I agree, is very similar - it also handles datatypes - I just wanted
something to return the raw object for the basic types and default to String
for the others. The default case with bytesToObject throws an exception for
other types - I don't know whether you could add a public wrapper method around
this to do what I have in the patch above. Up to you though, if you think the
change to CastUtils is relevant then let me know and I'll add the unit tests...
> CastUtils - Converting Pig DataTypes to Java Data Types
> -------------------------------------------------------
>
> Key: PIG-1896
> URL: https://issues.apache.org/jira/browse/PIG-1896
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Jonathan Holloway
> Priority: Minor
> Attachments: PIG-1896.patch, pigcastutils.patch
>
>
> I ran into an issue with parsing log lines whereby I had to generate a schema
> in a user defined function. Part of that involved converting various values
> into their associated data types, but I couldn't see a way to do it via Pig.
> Enclosed is a patch to convert org.apache.pig.data.DataType into an
> associated Java datatype falling back to a String by default - should go into
> CastUtils. Any comments/criticism, please let me know.
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