[HBASE-7221] [experiment] RowKey utility class for rowkey construction

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Component/s: util
• Assignee: Unassigned
• Reporter: Doug Meil
• Created: 26/Nov/12 21:55
• Updated: 15/Jun/22 00:25
• Resolved: 08/Mar/13 14:43

Description

A common question in the dist-lists is how to construct rowkeys, particularly composite keys. Put/Get/Scan specifies byte[] as the rowkey, but it's up to you to sensibly populate that byte-array, and that's where things tend to go off the rails.

The intent of this RowKey utility class isn't meant to add functionality into Put/Get/Scan, but rather make it simpler for folks to construct said arrays. Example:

   RowKey key = RowKey.create(RowKey.SIZEOF_MD5_HASH + RowKey.SIZEOF_LONG);
   key.addHash(a);
   key.add(b);
   byte bytes[] = key.getBytes();

Issue Links

• relates to: HBASE-8089 Add type support