I think you need to place 'source' and 'name' as separate columns in 'DFLT'
Cheers On Fri, Aug 9, 2013 at 12:44 PM, Narlin M <[email protected]> wrote: > I am fairly new to the hadoop-hbase environment having started working on > it very recently, so I hope I am wording the question correctly. > > I am trying to read data from a hadoop-hbase table which has only one > column family named 'DFLT'. This family contains hierarchical column > qualifiers "/source:int64/name:string". I want to read the name column for > a particular source value, say 10. How can I achieve this using the Scan > class? > > I tried setting up the scan object as follows: > > ... > > byte[] family = Bytes.toBytes("DFLT"); > byte[] qualifier = Bytes.toBytes("source:name"); > > Scan scan = new Scan(); > scan.addColumn(family, qualifier); > > FilterList list = new FilterList(FilterList.Operator.MUST_PASS_ALL); > > SingleColumnValueFilter filter = new SingleColumnValueFilter(family, > Bytes.toBytes("source"), CompareFilter.CompareOp.EQUAL,Bytes.toBytes(10)); > > list.addFilter(filter); > > scan.setFilter(list); > > ... > > > But I do not get any data back with this setup. I am guessing that I am not > setting up the hierarchical qualifiers correctly. Any and all pointers will > be appreciated. > > Thanks, Narlin M. >
