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From "Alex Newman (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5240) HBase internalscanner.next javadoc doesn't imply whether or not results are appended or not
Date Mon, 23 Jan 2012 17:54:40 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Newman updated HBASE-5240:
-------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>         Attachments: 0001-HBASE-5240.-HBase-internalscanner.next-javadoc-doesn.patch
>
>
> 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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