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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7892) FuzzyRowFilter would have wrong behaviors if user gives an arbitary byte for an "unfixed" position instead of byte 0
Date Sat, 23 Feb 2013 04:34:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584999#comment-13584999
] 

Ted Yu commented on HBASE-7892:
-------------------------------

@Maryann:
Do you mind rebasing your patch ?
{code}
patching file src/main/java/org/apache/hadoop/hbase/filter/FuzzyRowFilter.java
Hunk #1 FAILED at 68.
Hunk #2 FAILED at 106.
Hunk #3 FAILED at 183.
Hunk #4 FAILED at 233.
Hunk #5 FAILED at 270.
5 out of 5 hunks FAILED -- saving rejects to file src/main/java/org/apache/hadoop/hbase/filter/FuzzyRowFilter.java.rej
(Stripping trailing CRs from patch.)
patching file src/test/java/org/apache/hadoop/hbase/filter/TestFuzzyRowFilter.java
Hunk #1 FAILED at 174.
1 out of 1 hunk FAILED -- saving rejects to file src/test/java/org/apache/hadoop/hbase/filter/TestFuzzyRowFilter.java.rej
{code}
                
> FuzzyRowFilter would have wrong behaviors if user gives an arbitary byte for an "unfixed"
position instead of byte 0
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-7892
>                 URL: https://issues.apache.org/jira/browse/HBASE-7892
>             Project: HBase
>          Issue Type: Improvement
>          Components: Filters
>    Affects Versions: 0.96.0, 0.94.5
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>            Priority: Minor
>         Attachments: HBASE-7892-0.94.patch
>
>
> An actual case can be:
> we want to match "a?ex", so we give "a?ex" as input of "key bytes", and "0100" as input
of "meta bytes".
> if we start with row = "\0\0\0\0", the next hint would turn out to be "a?ex"
> while actually the right hint should be "a\0ex".

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