[HBASE-4256] Intra-row scanning (part deux)

• Type: Task
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.90.4
• Fix Version/s: 0.94.0
• Tags: noob
• Assignee: Dave Revell
• Reporter: Jean-Daniel Cryans
• Created: 25/Aug/11 23:37
• Updated: 12/Oct/12 05:35
• Resolved: 19/Nov/11 04:41

Description

Dave Revell was asking on IRC today if there's a way to scan ranges of qualifiers within a row. That is, to be able to specify a start qualifier and an end qualifier so that the Get or Scan seeks directly to the first qualifier and stops at some point which can be predeterminate by a qualifier or simply a batch configuration (already exists).

This is particularly useful for large rows with time-based qualifiers.

Dave also mentioned that another popular database has such a feature that they call "column slices".

Issue Links

• relates to: HBASE-5229 Provide basic building blocks for "multi-row" local transactions.