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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7928) Scanning .META. with startRow and/or stopRow is not giving proper results
Date Fri, 01 Mar 2013 16:43:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590695#comment-13590695
] 

Hadoop QA commented on HBASE-7928:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12571606/HBASE-7928_0.94_3.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
tests.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/4620//console

This message is automatically generated.
                
> Scanning .META. with startRow and/or stopRow is not giving proper results
> -------------------------------------------------------------------------
>
>                 Key: HBASE-7928
>                 URL: https://issues.apache.org/jira/browse/HBASE-7928
>             Project: HBase
>          Issue Type: Bug
>          Components: Usability
>    Affects Versions: 0.94.5
>            Reporter: Jean-Marc Spaggiari
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.95.0, 0.98.0, 0.94.6
>
>         Attachments: HBASE-7928_0.94_1.patch, HBASE-7928_0.94_2.patch, HBASE-7928_0.94_3.patch,
HBASE-7928_0.94_3.patch, HBASE-7928_0.94.patch, HBASE-7928_trunk_1.patch, HBASE-7928_trunk_2.patch,
HBASE-7928_trunk_2.patch, HBASE-7928_trunk.patch
>
>
> {code}
>     try {
>       HTable metaTable = new HTable(config, Bytes.toBytes(".META."));
>       Scan scan = new Scan();
>       scan.setStartRow(Bytes.toBytes("e"));
>       scan.setStopRow(Bytes.toBytes("z"));
>       ResultScanner scanner = metaTable.getScanner(scan);
>       Result[] results = scanner.next(100);
>       while (results.length > 0) {
>         for (Result result : results) {
>           System.out.println(Bytes.toString(result.getRow()));
>         }
>         results = scanner.next(100);
>       }
>       scanner.close();
>       metaTable.close();
>     } catch (Exception e) {
>       e.printStackTrace();
>     }
> {code}
> This code will not return any result even if there is 10 tables with names starting with
"d" to "w", including one table called "entry". If you comment the setStopRow you will get
results, but will still get rows starting with "d" even if setStartRow is set to "e".
> Same code using with a user table is working fine.
> Facing the same issue with the shell.
> scan '.META.' , {STARTROW => 'e', LIMIT => 10} is returning rows starting by "d".
> scan '.META.' , {STARTROW => 'e', STOPROW => 'v', LIMIT => 10} is not returning
anything.

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