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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1382) Rework KeyValue to primarily act on split columns rather than colon delimited
Date Thu, 07 May 2009 05:17:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706721#action_12706721

stack commented on HBASE-1382:

Is this in wrong place in HConstants?  Seems after when it should be before:

+  //
+  // New stuff.  Making a slow transition.
+  //

Your style is a little odd.  In below your (lack-of) spacing is different from rest of hbase/hadoop
style.  You do this:

+    this.bytes = createByteArray(row,0,rlength,column,0,clength,

Then in line above the one above, you put spaces around everything.

This is another (unreadable) example:

+    this(row,0,row==null?0:row.length,family,0,family==null?0:family.length,

Add class javadoc to SplitKeyValue.

Is this a regression?

-        return kv.matchingColumnNoDelimiter(this.col, this.familylength);
+        return kv.matchingColumnNoDelimiter(this.col);

The passed column has a delimiter or not?  Doesn't? Need to know where its offset is?

This belongs in KV I think rather than Bytes.... no need of polluting Bytes with KV and column
stuff: parseColumn

Otherwise, patch looks great.  Passes tests?

> Rework KeyValue to primarily act on split columns rather than colon delimited
> -----------------------------------------------------------------------------
>                 Key: HBASE-1382
>                 URL: https://issues.apache.org/jira/browse/HBASE-1382
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.20.0
>         Attachments: hbase-1382-v1.patch
> Right now, KeyValue only supports family:qualifier notation for building KeyValues.
> This issue will retain some of that, but will move to primarily supporting family and
qualifier as separate arguments.  Methods that use a delimited column will detect the delimiter
and use the split implementations behind the scenes.
> Not sure whether this will be remain exclusive to KeyValue yet.

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