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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-513) PERFORMANCE: optimize some of the code in DefaultTuple
Date Thu, 30 Jul 2009 07:35:14 GMT

    [ https://issues.apache.org/jira/browse/PIG-513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12737024#action_12737024

Hadoop QA commented on PIG-513:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 799141.

    +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

    +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-minerva.apache.org/146/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/146/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-minerva.apache.org/146/console

This message is automatically generated.

> PERFORMANCE: optimize some of the code in DefaultTuple
> ------------------------------------------------------
>                 Key: PIG-513
>                 URL: https://issues.apache.org/jira/browse/PIG-513
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.2.0
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>         Attachments: PIG-513.patch, pig-513_2.patch
> The following areas in DefaultTuple.java can be changed:
> The member methods get(), set(), getType() and isNull() all call checkBounds() which
is redundant call since all these 4 functions throw ExecException. Instead of doing a bounds
check, we can catch the IndexOutOfBounds exception in a try-catch and throw it as an ExecException
> The write() method has the following unused object (d in the code below):
> {code}
> for (int i = 0; i < sz; i++) {
>                 try {
>                     Object d = get(i);
>                 } catch (ExecException ee) {
>                     throw new RuntimeException(ee);
>                 }
>                 DataReaderWriter.writeDatum(out, mFields.get(i));
>             }
> {code}
> {noformat}
> The get(i) call in the try should be replaced by the writeDatum call directly since d
is never used and there is an unncessary call to get()
> {noformat}

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