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https://issues.apache.org/jira/browse/PIG-949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12758535#action_12758535
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Hadoop QA commented on PIG-949:
-------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12420313/Pig_949.patch
against trunk revision 817739.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 2 new or modified tests.
+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/9/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/9/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/9/console
This message is automatically generated.
> Zebra Bug: splitting map into multiple column group using storage hint causes
> unexpected behaviour
> --------------------------------------------------------------------------------------------------
>
> Key: PIG-949
> URL: https://issues.apache.org/jira/browse/PIG-949
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.4.0
> Environment: linux
> Reporter: Alok Singh
> Assignee: Yan Zhou
> Fix For: 0.4.0, 0.5.0
>
> Attachments: Pig_949.patch, Pig_949.patch, Pig_949.patch
>
>
> Hi
> The storage hint
> specification plays a important part whether the output table is readable or
> not
> say if we have have the map 'map'.
> One can split the map into a column group using [map#{k1}, map#{k2}...]
> however the remaining map field will automatically be added to the default
> group.
> if user try to create a new column group for the remaining fields as follows
> [map#{k1}, map#{k2}, ..][map] i.e create a seperate column group
> the table writer will create the table.
> however, if one tries to load the created table via pig or via map reduce
> using TableInputFormat
>
> then the reader have problem reading the map
> We get the following stack trace
> 09/09/09 00:09:45 INFO mapred.JobClient: Task Id :
> attempt_200908191538_33939_m_000021_2, Status : FAILED
> java.io.IOException: getValue() failed: null
> at
> org.apache.hadoop.zebra.io.BasicTable$Reader$BTScanner.getValue(BasicTable.java:775)
> at
> org.apache.hadoop.zebra.mapred.TableRecordReader.next(TableInputFormat.java:717)
> at
> org.apache.hadoop.zebra.mapred.TableRecordReader.next(TableInputFormat.java:651)
> at
> org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:191)
> at
> org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:175)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:356)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at org.apache.hadoop.mapred.Child.main(Child.java:170)
> Alok
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