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From "Alex Newman (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5240) HBase internalscanner.next javadoc doesn't imply whether or not results are appended or not
Date Fri, 20 Jan 2012 20:18:40 GMT
HBase internalscanner.next javadoc doesn't imply whether or not results are appended or not
-------------------------------------------------------------------------------------------

                 Key: HBASE-5240
                 URL: https://issues.apache.org/jira/browse/HBASE-5240
             Project: HBase
          Issue Type: Bug
            Reporter: Alex Newman
            Assignee: Alex Newman


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



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