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https://issues.apache.org/jira/browse/HBASE-9763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795030#comment-13795030
 ] 

Hadoop QA commented on HBASE-9763:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12608453/HBASE-9763.patch
  against trunk revision .

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

    {color:green}+0 tests included{color}.  The patch appears to be a 
documentation patch that doesn't require tests.

    {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:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.regionserver.wal.TestLogRolling

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/7544//console

This message is automatically generated.

> Scan javadoc doesn't fully capture semantics of start and stop row
> ------------------------------------------------------------------
>
>                 Key: HBASE-9763
>                 URL: https://issues.apache.org/jira/browse/HBASE-9763
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Gabriel Reid
>            Priority: Minor
>         Attachments: HBASE-9763.patch
>
>
> The current javadoc for Scan#setStartRow and Scan#setStopRow methods don't 
> accurately capture the semantics of the use of row prefix values. Both 
> methods describe the use of a trailing null byte to change the 
> inclusive/exclusive the respective semantics of setStartRow and setStopRow.
> The use of a trailing null byte for start row exclusion only works in the 
> case that exact full matching is done on row keys. The use of a trailing null 
> byte for stop row inclusion has even more limitations (see HBASE-9035).
> The basic example is having the following rows:
> {code}
> AAB
> ABB
> BBC
> BCC
> {code}
> Setting the start row to A and the stop row to B will include AAB and AB. 
> Setting the start row to A\x0 and the stop row to B\x0 will result in the 
> same two rows coming out of the scan, instead of having an effect on the 
> inclusion/exclusion semantics.



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