Guys, Just to make things clear: if I have a row which have 12 keys values, and then another row with 5 KVs, and I called InternelScanner(results, 10), where 10 is the limit, then I would get: 1. 10 KV of the 1st row 2. 2 KV of the 1st row 3. 5 KV of the 2nd row
Is this correct? On Sat, Dec 1, 2012 at 4:01 AM, anil gupta <anilgupt...@gmail.com> wrote: > Hi Ted, > > I figured out that i have to use next from InternalScanner. Thanks for the > response. > The comment for method "Grab the next row's worth of values." was a little > confusing to me. > "Get the keyValue's for the next row" would have been better. Just > saying.... > > Thanks, > Anil > > On Fri, Nov 30, 2012 at 5:20 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > Right. > > > > Take a look at AggregateImplementation.getAvg(), you would see how the > > following method is used. > > > > On Fri, Nov 30, 2012 at 1:53 PM, anil gupta <anilgupt...@gmail.com> > wrote: > > > > > Does this method in InternalScanner gets KeyValue's for only 1 row in 1 > > > call. Am i right? > > > > > > boolean *next< > > > > > > http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/regionserver/InternalScanner.html#next%28java.util.List%29 > > > > > > > *(List< > > > > > > http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true > > > > > > > <KeyValue< > > > http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/KeyValue.html> > > > > results) > > > Grab the next row's worth of values. > > > > > > > > > http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/regionserver/InternalScanner.html > > > > > > Thanks, > > > Anil Gupta > > > > > > On Fri, Nov 30, 2012 at 10:54 AM, anil gupta <anilgupt...@gmail.com> > > > wrote: > > > > > > > Hi All, > > > > > > > > I am developing a Coprocessor to sort results on the basis of Cell > > Value. > > > > Basically an equivalent of order by clause in RDBMS. > > > > In my subclass of BaseEndpointCoprocessor i would like to do fetch of > > > > entire rows rather than individual KeyValue using the > InternalScanner. > > > But, > > > > surprisingly there is no method to do that. Can any one tell me why > we > > > dont > > > > have a method for fetching rows? What is the most optimized way to > > fetch > > > > rows through current InternalScanner methods? > > > > -- > > > > Thanks & Regards, > > > > Anil Gupta > > > > > > > > > > > > > > > > -- > > > Thanks & Regards, > > > Anil Gupta > > > > > > > > > -- > Thanks & Regards, > Anil Gupta >
