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From "Charlie Groves (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-55) Allow user control over split creation
Date Tue, 01 Apr 2008 21:04:24 GMT

     [ https://issues.apache.org/jira/browse/PIG-55?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Charlie Groves updated PIG-55:
------------------------------

    Attachment: pig_chunker_split_v6.patch

Alright, I'm uploading pig_chunker_split_v6.patch which converts TestParser to a Junit 3 style
test.

There are several reasons to removal the JUnit 4 annotations from the existing tests:
# Since they're not being used to run the tests, it can't be assumed that they're actually
on all the tests and we can just switch JUnit 4 on and use them.  They're definitely only
on a mishmash of the existing tests, so to make that switch, you're going to have to go through
and check the annotations on all of the tests anyway.
# If you're going to use the annotations, its better to rename the methods and add the annotations
than sticking with the stilted test prefix method names.
# It confuses people outside the project like me into writing JUnit 4 style tests.  In PIG-145
I've got a fair number of JUnit 4 tests that I need to convert now, some of which use features
like the test parameterization which is going to be more significant to retrofit.
# It's just pointless noise in the code until they're actually doing something.

> Allow user control over split creation
> --------------------------------------
>
>                 Key: PIG-55
>                 URL: https://issues.apache.org/jira/browse/PIG-55
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.0.0
>            Reporter: Charlie Groves
>             Fix For: 0.1.0
>
>         Attachments: pig_chunker_split.patch, pig_chunker_split_v2.patch, pig_chunker_split_v3.patch,
pig_chunker_split_v4.patch, pig_chunker_split_v5.patch, pig_chunker_split_v6.patch, replaceable_PigSplit.diff,
replaceable_PigSplit_v2.diff
>
>
> I have a dataset in HDFS that's stored in a file per column that I'd like to access from
pig.  This means I can't use LoadFunc to get at the data as it only allows the loader access
to a single input stream at a time.  To handle this usage, I've broken the existing split
creation code out into a few classes and interfaces, and allowed user specified load functions
to be used in place of the existing code.

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