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https://issues.apache.org/jira/browse/PIG-2975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Noguchi updated PIG-2975:
------------------------------
Attachment: pig-2975-trunk_v04-purerawcompare.txt
||patch ||correctness||byte order||speed||space||
|no 4 bytes offset compare | O | X | O | O |
Attaching a version that compare from the top.
Byte order would now look like
(2222222222...222222222222222) (repeat 256 times)
(1)
(2)
(12)
(22)
(32)
(222)
(555)
> TestTypedMap.testOrderBy failing with incorrect result
> -------------------------------------------------------
>
> Key: PIG-2975
> URL: https://issues.apache.org/jira/browse/PIG-2975
> Project: Pig
> Issue Type: Sub-task
> Affects Versions: 0.11
> Reporter: Koji Noguchi
> Assignee: Koji Noguchi
> Priority: Blocker
> Fix For: 0.11
>
> Attachments: PIG-2975-0_jco.patch, PIG-2975-0_jco-v2.patch,
> pig-2975-trunk_v01.txt, pig-2975-trunk_v02-broken.txt,
> pig-2975-trunk_v03-unionapproach.txt, pig-2975-trunk_v04-purerawcompare.txt
>
>
> Looked at
> {noformat}
> junit.framework.AssertionFailedError
> at org.apache.pig.test.TestTypedMap.testOrderBy(TestTypedMap.java:352)
> {noformat}
> This looks like a valid test case failing with incorrect result.
> {noformat}
> % cat test/orderby.txt
> [key#1,key9#23]
> [key#3,key3#2]
> [key#22]
> % cat test/orderby.pig
> a = load 'test/orderby.txt' as (m:[]);
> b = foreach a generate m#'key' as b0;
> dump b;
> c = order b by b0;
> dump c;
> % java ... org.apache.pig.Main -x local test/orderby.pig
> [dump b]
> (1)
> (3)
> (22)
> ...
> [dump c]
> (1)
> (1)
> (22)
> %
> where did the '(3)' go?
> {noformat}
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