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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9747) PrefixFilter with OR condition gives wrong results
Date Sat, 12 Oct 2013 02:31:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13793214#comment-13793214

Hadoop QA commented on HBASE-9747:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

    {color:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/7531//console

This message is automatically generated.

> PrefixFilter with OR condition gives wrong results
> --------------------------------------------------
>                 Key: HBASE-9747
>                 URL: https://issues.apache.org/jira/browse/HBASE-9747
>             Project: HBase
>          Issue Type: Bug
>          Components: Filters
>    Affects Versions: 0.95.2, 0.94.9
>            Reporter: Deepa Remesh
>            Assignee: Aditya Kishore
>         Attachments: HBASE-9747_0.94.patch, HBASE-9747.patch
> PrefixFilter when used with a SingleColumnValueFilter with an OR condition gives wrong
results. In below example, each filter when evaluated separately gives 1 row each. The OR
condition with the two filters gives 3 rows instead of 2. Repro below:
> create 't1', 'f1'
> put 't1','a1','f1:q2','111'
> put 't1','b1','f1:q1','112'
> put 't1','c1','f1:q1','113'
> hbase(main):020:0> scan 't1', {FILTER => "PrefixFilter ('b') OR SingleColumnValueFilter('f1',
'q1', =, 'binary:113')"}
> ROW                                                COLUMN+CELL
>  a1                                                column=f1:q2, timestamp=1381468905492,
>  b1                                                column=f1:q1, timestamp=1381468905518,
>  c1                                                column=f1:q1, timestamp=1381468905549,
> 3 row(s) in 0.1020 seconds
> hbase(main):021:0> scan 't1', {FILTER => "PrefixFilter ('b')"}
> ROW                                                COLUMN+CELL
>  b1                                                column=f1:q1, timestamp=1381468905518,
> 1 row(s) in 0.0150 seconds
> hbase(main):002:0> scan 't1', {FILTER => "SingleColumnValueFilter('f1', 'q1', =,
> ROW                                                COLUMN+CELL
>  c1                                                column=f1:q1, timestamp=1381469178679,
> 1 row(s) in 0.0140 seconds

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