[jira] [Commented] (HBASE-14737) Clear cachedMaxVersions when setValue(VERSIONS, value) called

["Pankaj Kumar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-14737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14984637#comment-14984637 ] 

Pankaj Kumar commented on HBASE-14737:
--------------------------------------

Thanks [~giacomotaylor], Are you planning to provide a 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
>
> 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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