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https://issues.apache.org/jira/browse/PIG-1534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pradeep Kamath updated PIG-1534:
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Attachment: PIG-1534.patch
Patch fixes SampleOptimizer to add the loadFunc funcspecs into the Mapreduce
operators after optimization - this fixes the above order by error.
Here are results from running the test-patch target locally
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] -1 javadoc. The javadoc tool appears to have generated 1
warning messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
The javadoc warning is present on trunk and not related to this patch:
{noformat}
...
[javadoc] Standard Doclet version 1.6.0_01
[javadoc] Building tree for all the packages and classes...
[javadoc]
/tmp/svncheckout/src/org/apache/pig/newplan/logical/expression/ProjectExpression.java:192:
warning - @param argument "currentOp" is not a parameter name.
[javadoc] Building index for all the packages and classes...
...
{noformat}
Will run unit tests locally and update with results.
> Code discovering UDFs in the script has a bug in a order by case
> ----------------------------------------------------------------
>
> Key: PIG-1534
> URL: https://issues.apache.org/jira/browse/PIG-1534
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Pradeep Kamath
> Fix For: 0.8.0
>
> Attachments: PIG-1534.patch
>
>
> Consider the following commandline:
> {noformat}
> java -cp /tmp/svncheckout/pig.jar:udf.jar:clusterdir org.apache.pig.Main -e
> "a = load 'studenttab' using udf.MyPigStorage(); b = order a by $0; dump b;"
> {noformat}
> Notice there is no "register udf.jar", instead udf.jar (which contains
> udf.MyPigStorage) is in the classpath. Pig handles this case by shipping
> udf.jar to the backend. However the above script with order by triggers the
> bug with the following error message:
> ERROR 2997: Unable to recreate exception from backed error:
> java.lang.RuntimeException: could not instantiate
> 'org.apache.pig.impl.builtin.RandomSampleLoader' with arguments
> '[udf.MyPigStorage, 100]'
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