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https://issues.apache.org/jira/browse/PIG-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761454#action_12761454
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Hadoop QA commented on PIG-989:
-------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12421079/PIG-989-1.patch
against trunk revision 820394.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no tests are needed for this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/12/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/12/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/12/console
This message is automatically generated.
> Allow type merge between numerical type and non-numerical type
> --------------------------------------------------------------
>
> Key: PIG-989
> URL: https://issues.apache.org/jira/browse/PIG-989
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.5.0
> Reporter: Daniel Dai
> Attachments: PIG-989-1.patch
>
>
> Currently, we do not allow type merge between numerical type and
> non-numerical type. And the error message is confusing.
> Eg, if you run:
> a = load '1.txt' as (a0:chararray, a1:chararray);
> b = load '2.txt' as (b0:long, b1:chararray);
> c = join a by a0, b by b0;
> dump c;
> And the error message is "ERROR 1051: Cannot cast to Unknown"
> We shall:
> 1. Allow the type merge between numerical type and non-numerical type
> 2. Or at least, provide more meaningful error message to the user
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