[HBASE-5240] HBase internalscanner.next javadoc doesn't imply whether or not results are appended or not

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Incomplete
• Assignee: Unassigned
• Reporter: Alex Newman
• Created: 20/Jan/12 20:17
• Updated: 12/Jun/22 20:15
• Resolved: 22/Apr/15 00:33

Description

Just looking at http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/regionserver/InternalScanner.html. We don't know whether or not the results are appended to results list, or if we always clear it first.

boolean next(List<KeyValue> results)
Grab the next row's worth of values.
boolean next(List<KeyValue> result, int limit)
Grab the next row's worth of values with a limit on the number of values to return.

Method Detail
next

boolean next(List<KeyValue> results)
throws IOException

Grab the next row's worth of values.

Parameters:
results - return output array
Returns:
true if more rows exist after this one, false if scanner is done
Throws:
IOException - e

next

boolean next(List<KeyValue> result,
int limit)
throws IOException

Grab the next row's worth of values with a limit on the number of values to return.

Parameters:
result - return output array
limit - limit on row count to get
Returns:
true if more rows exist after this one, false if scanner is done
Throws:
IOException - e