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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5923) Cleanup checkAndXXX logic
Date Sat, 02 Jun 2012 12:30:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287911#comment-13287911

Lars Hofhansl commented on HBASE-5923:

That works. The other problem is o.a.h.h.Filter.WritableByteArrayComparable.
I thought I could move this to o.a.h.h.BaseWritableByteArrayComparable and have o.a.h.h.Filter.WritableByteArrayComparable
be a no-op subclass, but that would change the wire protocol :(

Initially I thought one could just always BinaryComparator, but especially for LESS/GREATER
type operations it is important to be able to control the sort order (for example for Unicode).

It seems I'm stumped. Either o.a.h.h.Filter.WritableByteArrayComparable has to leak up into
HTableInterface, or the wire protocol changes.

> Cleanup checkAndXXX logic
> -------------------------
>                 Key: HBASE-5923
>                 URL: https://issues.apache.org/jira/browse/HBASE-5923
>             Project: HBase
>          Issue Type: Improvement
>          Components: client, regionserver
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Minor
>             Fix For: 0.96.0, 0.94.1
>         Attachments: 5923-0.94.txt, 5923-trunk.txt
> 1. the checkAnd{Put|Delete} method that takes a CompareOP is not exposed via HTable[Interface].
> 2. there is unnecessary duplicate code in the check{Put|Delete} code in HRegionServer.

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