[jira] Commented: (PIG-644) Duplicate column names in foreach do not throw parser error
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https://issues.apache.org/jira/browse/PIG-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767558#action_12767558
]
Daniel Dai commented on PIG-644:
Also note this change may broke some existing scripts if they do contain
duplicated schema alias.
> Duplicate column names in foreach do not throw parser error
> ---
>
> Key: PIG-644
> URL: https://issues.apache.org/jira/browse/PIG-644
> Project: Pig
> Issue Type: Bug
> Components: impl
>Affects Versions: 0.4.0
>Reporter: Viraj Bhat
>Assignee: Daniel Dai
> Fix For: 0.6.0
>
> Attachments: blah.txt, PIG-644-1.patch
>
>
> Consider the following Pig script where we generate column names b and b in
> the FOREACH
> {code}
> DATA = LOAD 'blah.txt' as (a:long, b:long);
> RESULT = FOREACH DATA GENERATE a, b, (b>20?b:0) as b;
> DESCRIBE RESULT;
> dump RESULT;
> {code}
> Pig runs the script successfully and does not complain of the duplicate
> column names. I do not know if the new error handling framework will handle
> these kinds of cases.
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[jira] Commented: (PIG-644) Duplicate column names in foreach do not throw parser error
[
https://issues.apache.org/jira/browse/PIG-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767528#action_12767528
]
Pradeep Kamath commented on PIG-644:
+1
> Duplicate column names in foreach do not throw parser error
> ---
>
> Key: PIG-644
> URL: https://issues.apache.org/jira/browse/PIG-644
> Project: Pig
> Issue Type: Bug
> Components: impl
>Affects Versions: 0.4.0
>Reporter: Viraj Bhat
>Assignee: Daniel Dai
> Fix For: 0.6.0
>
> Attachments: blah.txt, PIG-644-1.patch
>
>
> Consider the following Pig script where we generate column names b and b in
> the FOREACH
> {code}
> DATA = LOAD 'blah.txt' as (a:long, b:long);
> RESULT = FOREACH DATA GENERATE a, b, (b>20?b:0) as b;
> DESCRIBE RESULT;
> dump RESULT;
> {code}
> Pig runs the script successfully and does not complain of the duplicate
> column names. I do not know if the new error handling framework will handle
> these kinds of cases.
--
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You can reply to this email to add a comment to the issue online.
[jira] Commented: (PIG-644) Duplicate column names in foreach do not throw parser error
[
https://issues.apache.org/jira/browse/PIG-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766839#action_12766839
]
Hadoop QA commented on PIG-644:
---
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12422324/PIG-644-1.patch
against trunk revision 826110.
+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 generated 307 release audit warnings
(more than the trunk's current 305 warnings).
-1 core tests. The patch failed 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/91/testReport/
Release audit warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/91/artifact/trunk/patchprocess/releaseAuditDiffWarnings.txt
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/91/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/91/console
This message is automatically generated.
> Duplicate column names in foreach do not throw parser error
> ---
>
> Key: PIG-644
> URL: https://issues.apache.org/jira/browse/PIG-644
> Project: Pig
> Issue Type: Bug
> Components: impl
>Affects Versions: 0.4.0
>Reporter: Viraj Bhat
>Assignee: Daniel Dai
> Fix For: 0.6.0
>
> Attachments: blah.txt, PIG-644-1.patch
>
>
> Consider the following Pig script where we generate column names b and b in
> the FOREACH
> {code}
> DATA = LOAD 'blah.txt' as (a:long, b:long);
> RESULT = FOREACH DATA GENERATE a, b, (b>20?b:0) as b;
> DESCRIBE RESULT;
> dump RESULT;
> {code}
> Pig runs the script successfully and does not complain of the duplicate
> column names. I do not know if the new error handling framework will handle
> these kinds of cases.
--
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