[jira] [Updated] (HBASE-5345) CheckAndPut doesn't work when value is empty byte[]

["Evert Arckens (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-5345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evert Arckens updated HBASE-5345:
---------------------------------

    Attachment: checkAndMutateEmpty-HBASE-5345.patch

This attachment contains a patch which I believe fixes the issue and has a test added to TestHRegion
                
> CheckAndPut doesn't work when value is empty byte[]
> ---------------------------------------------------
>
>                 Key: HBASE-5345
>                 URL: https://issues.apache.org/jira/browse/HBASE-5345
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Evert Arckens
>         Attachments: checkAndMutateEmpty-HBASE-5345.patch
>
>
> When a value contains an empty byte[] and then a checkAndPut is performed with an empty byte[] , the operation will fail.
> For example:
> Put put = new Put(row1);
> put.add(fam1, qf1, new byte[0]);
> table.put(put);
> put = new Put(row1);
> put.add(fam1, qf1, val1);
> table.checkAndPut(row1, fam1, qf1, new byte[0], put); ---> false
> I think this is related to HBASE-3793 and HBASE-3468.
> Note that you will also get into this situation when first putting a null value ( put.add(fam1,qf1,null) ), as this value will then be regarded and returned as an empty byte[] upon a get.

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