[jira] [Updated] (HBASE-7892) FuzzyRowFilter would have wrong behaviors if user gives an arbitary byte for an "unfixed" position instead of byte 0

["Maryann Xue (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-7892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maryann Xue updated HBASE-7892:
-------------------------------

    Attachment: HBASE-7892-0.94.patch

1. initialize the unfixed positions with byte 0
2. remove copying of row - improve performance
3. add corresponding test cases
                
> 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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