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Posted to dev@pig.apache.org by "Ankur (JIRA)" <ji...@apache.org> on 2010/02/16 11:37:27 UTC
[jira] Created: (PIG-1238) Dump does not respect the schema
Dump does not respect the schema
--------------------------------
Key: PIG-1238
URL: https://issues.apache.org/jira/browse/PIG-1238
Project: Pig
Issue Type: Bug
Affects Versions: 0.6.0
Reporter: Ankur
For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Ankur (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834151#action_12834151 ]
Ankur commented on PIG-1238:
----------------------------
Here is a script to reproduce the issue:-
A = LOAD 'two.txt' USING PigStorage();
B = FOREACH A GENERATE ['a'#'12'] as b:map[], ['b'#['c'#'12']] as mapFields;
C = FOREACH B GENERATE(CHARARRAY) mapFields#'b'#'c' AS f1, RANDOM() AS f2;
D = ORDER C BY f2 PARALLEL 10;
E = LIMIT D 20;
F = FOREACH E GENERATE f1;
describe F;
dump F;
With the above script here is a snippet of the logs that might be useful
...
...
2010-02-16 10:42:44,814 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 90% complete
2010-02-16 10:42:55,966 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
2010-02-16 10:42:55,981 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Successfully stored result in: "hdfs://mithrilblue-nn1.blue.ygrid.yahoo.com/tmp/temp-1870551954/tmp-470213889"
2010-02-16 10:42:55,991 [main] WARN org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Encountered Warning ACCESSING_NON_EXISTENT_FIELD 1 time(s).
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Records written : 1
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Bytes written : 14
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Success!
(12,)
Note:- If we remove "PARALLEL 10" from Order by correct results are produced and NO warning is thrown.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Updated: (PIG-1238) Dump does not respect the schema
Posted by "Richard Ding (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Ding updated PIG-1238:
------------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Closed: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai closed PIG-1238.
---------------------------
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Assigned: (PIG-1238) Dump does not respect the schema
Posted by "Richard Ding (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Ding reassigned PIG-1238:
---------------------------------
Assignee: Richard Ding (was: Daniel Dai)
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Richard Ding (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12847474#action_12847474 ]
Richard Ding commented on PIG-1238:
-----------------------------------
Hi Ankur,
I run following script
{code}
A = LOAD '1.txt' USING PigStorage();
B = FOREACH A GENERATE ['a'#'12'] as b:map[], ['b'#['c'#'12']] as mapFields;
C = FOREACH B GENERATE(CHARARRAY) mapFields#'b'#'c' AS f1, RANDOM() AS f2;
D = ORDER C BY f2 PARALLEL 10;
E = LIMIT D 20;
F = FOREACH E GENERATE f1;
dump F;
{code}
and it gets the correct result. Can you sync again with the trunk and let me know if the problem still exists?
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835086#action_12835086 ]
Daniel Dai commented on PIG-1238:
---------------------------------
Do an explain, the last limit job is :
MapReduce node 1-99
Map Plan
Local Rearrange[tuple]{double}(false) - 1-103
| |
| Project[double][1] - 1-102
|
|---Limit - 1-101
|
|---Load(file:/tmp/temp-513510662/tmp1311900615:org.apache.pig.builtin.BinStorage) - 1-100--------
Reduce Plan
Store(fakefile:org.apache.pig.builtin.PigStorage) - 1-109
|
|---Limit - 1-108
|
|---New For Each(true)[bag] - 1-107
| |
| Project[tuple][1] - 1-106
|
|---Package[tuple]{double} - 1-105--------
Global sort: false
The project in the map plan is wrong.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Resolved: (PIG-1238) Dump does not respect the schema
Posted by "Olga Natkovich (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Olga Natkovich resolved PIG-1238.
---------------------------------
Resolution: Fixed
Closing since we have not seen a reproducible case. Please, reopen when/if you have one
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Ankur (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834642#action_12834642 ]
Ankur commented on PIG-1238:
----------------------------
Daniel the correct syntax is - ['b'#['c'#'12']] as mapFields.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Updated: (PIG-1238) Dump does not respect the schema
Posted by "Richard Ding (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Ding updated PIG-1238:
------------------------------
Attachment: PIG-1238.patch
Pig inserts a new Limit (or Top-K) job with one reducer after a Limit (or Top-K) job with multiple reducers to ensure the output has the right number of records.
In the case of Top-K, the new job must also preserve the ordering of the original job. Therefore the sorting key must be passed to the new job. This patch moves the last ForEach statement in above script from the original job to the new job so that the sorting keys are not removed by the first job.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Assigned: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai reassigned PIG-1238:
-------------------------------
Assignee: Daniel Dai
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Daniel Dai
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Reopened: (PIG-1238) Dump does not respect the schema
Posted by "Ankur (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ankur reopened PIG-1238:
------------------------
This does not work for me when i take a fresh checkout from the trunk. I still get the same error
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Issue Comment Edited: (PIG-1238) Dump does not respect the
schema
Posted by "Olga Natkovich (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834151#action_12834151 ]
Olga Natkovich edited comment on PIG-1238 at 2/16/10 6:30 PM:
--------------------------------------------------------------
Here is a script to reproduce the issue:-
A = LOAD 'two.txt' USING PigStorage();
B = FOREACH A GENERATE ['a'#'12'] as b:map[], ['b'#['c'#'12']] as mapFields;
C = FOREACH B GENERATE(CHARARRAY) mapFields#'b'#'c' AS f1, RANDOM() AS f2;
D = ORDER C BY f2 PARALLEL 10;
E = LIMIT D 20;
F = FOREACH E GENERATE f1;
describe F;
dump F;
With the above script here is a snippet of the logs that might be useful
...
...
2010-02-16 10:42:44,814 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 90% complete
2010-02-16 10:42:55,966 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
2010-02-16 10:42:55,981 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Successfully stored result in: "hdfs://foo/tmp/temp-1870551954/tmp-470213889"
2010-02-16 10:42:55,991 [main] WARN org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Encountered Warning ACCESSING_NON_EXISTENT_FIELD 1 time(s).
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Records written : 1
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Bytes written : 14
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Success!
(12,)
Note:- If we remove "PARALLEL 10" from Order by correct results are produced and NO warning is thrown.
was (Author: ankur):
Here is a script to reproduce the issue:-
A = LOAD 'two.txt' USING PigStorage();
B = FOREACH A GENERATE ['a'#'12'] as b:map[], ['b'#['c'#'12']] as mapFields;
C = FOREACH B GENERATE(CHARARRAY) mapFields#'b'#'c' AS f1, RANDOM() AS f2;
D = ORDER C BY f2 PARALLEL 10;
E = LIMIT D 20;
F = FOREACH E GENERATE f1;
describe F;
dump F;
With the above script here is a snippet of the logs that might be useful
...
...
2010-02-16 10:42:44,814 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 90% complete
2010-02-16 10:42:55,966 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
2010-02-16 10:42:55,981 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Successfully stored result in: "hdfs://mithrilblue-nn1.blue.ygrid.yahoo.com/tmp/temp-1870551954/tmp-470213889"
2010-02-16 10:42:55,991 [main] WARN org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Encountered Warning ACCESSING_NON_EXISTENT_FIELD 1 time(s).
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Records written : 1
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Bytes written : 14
2010-02-16 10:42:55,991 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Success!
(12,)
Note:- If we remove "PARALLEL 10" from Order by correct results are produced and NO warning is thrown.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Ankur (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834643#action_12834643 ]
Ankur commented on PIG-1238:
----------------------------
Seems like inner [] are making parts of it appear underlined. Correct syntax is
['b'# ['c'#'12'] ] as mapFields
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Ankur (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834644#action_12834644 ]
Ankur commented on PIG-1238:
----------------------------
Sigh....
Enclose 'c'#'12' in a square bracket and then enclose 'b'# ... in another square bracket
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843332#action_12843332 ]
Daniel Dai commented on PIG-1238:
---------------------------------
+1. Please commit once hudson comes back.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834422#action_12834422 ]
Daniel Dai commented on PIG-1238:
---------------------------------
Hi, Ankur, I encounter syntax error in "B = FOREACH A GENERATE 'a'#'12' as b:map[], ['b'#'c'#'12'] as mapFields;". Can you verity the script?
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Commented: (PIG-1238) Dump does not respect the schema
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843401#action_12843401 ]
Hadoop QA commented on PIG-1238:
--------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12438246/PIG-1238.patch
against trunk revision 920956.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 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-h7.grid.sp2.yahoo.net/230/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/230/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/230/console
This message is automatically generated.
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Updated: (PIG-1238) Dump does not respect the schema
Posted by "Daniel Dai (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai updated PIG-1238:
----------------------------
Fix Version/s: 0.7.0
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Daniel Dai
> Fix For: 0.7.0
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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[jira] Updated: (PIG-1238) Dump does not respect the schema
Posted by "Richard Ding (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIG-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Ding updated PIG-1238:
------------------------------
Status: Patch Available (was: Open)
> Dump does not respect the schema
> --------------------------------
>
> Key: PIG-1238
> URL: https://issues.apache.org/jira/browse/PIG-1238
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ankur
> Assignee: Richard Ding
> Fix For: 0.7.0
>
> Attachments: PIG-1238.patch
>
>
> For complex data type and certain sequence of operations dump produces results with non-existent field in the relation.
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