[HBASE-18001] Extend the "count" shell command to support specified conditions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: shell
• Labels: beginner
• Hadoop Flags: Reviewed
• Assignee: Guangxu Cheng
• Reporter: Guangxu Cheng
• Created: 05/May/17 07:25
• Updated: 24/May/17 10:51
• Resolved: 24/May/17 09:20

Description

shell command "count" can only count the number of rows in a table.
And, it could not count the number of the specified conditions.
Can we allow users to specified conditions like command "scan"?
In that case, we can count the number of rows under any conditions.