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From "Pankaj Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14737) Clear cachedMaxVersions when setValue(VERSIONS, value) called
Date Thu, 05 Nov 2015 11:37:28 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pankaj Kumar updated HBASE-14737:
---------------------------------
    Attachment: HBASE-14737.patch

> Clear cachedMaxVersions when setValue(VERSIONS, value) called
> -------------------------------------------------------------
>
>                 Key: HBASE-14737
>                 URL: https://issues.apache.org/jira/browse/HBASE-14737
>             Project: HBase
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: Pankaj Kumar
>         Attachments: HBASE-14737.patch
>
>
> HColumnDescriptor caches the value of VERSIONS in a cachedMaxVersions member variable.
This member variable should be reset or cleared when setValue(HConstants.VERSIONS, value)
is called, like this:
> {code}
>   static final bytes[] VERSIONS_BYTES = Bytes.toBytes(HConstants.VERSIONS);
>   public HColumnDescriptor setValue(byte[] key, byte[] value) {
>     if (Bytes.compare(HConstants.VERSIONS_BYTES, key) == 0) {
>         cachedMaxVersions = UNINITIALIZED;
>     }
>     values.put(new ImmutableBytesWritable(key),
>       new ImmutableBytesWritable(value));
>     return this;
>   }
> {code}
> Otherwise, you continue getting back cachedMaxVersions instead of the updated value.



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