Simple integer comparison in HBase


I am trying out a very simple example in HBase. Following is how I create table and put data:

create 'newdb3','data' put 'newdb3','row1','data:name','Thexxx Beatles' put 'newdb3','row2','data:name','The Beatles' put 'newdb3','row3','data:name','Beatles' put 'newdb3','row4','data:name','Thexxx' put 'newdb3','row1','data:duration',400 put 'newdb3','row2','data:duration',300 put 'newdb3','row3','data:duration',200 put 'newdb3','row4','data:duration',100 scan 'newdb3', {COLUMNS => 'data:name', FILTER => "SingleColumnValueFilter('data','duration', > ,'binaryprefix:200')"}

But the result is always all 4 columns. I tried number with or without string, and using hex values. I also tried 'binary' instead of 'binaryprefix'. How do I store and compare integer in hbase?


Does this produce the expected output?

import org.apache.hadoop.hbase.filter.CompareFilter import org.apache.hadoop.hbase.filter.SingleColumnValueFilter import org.apache.hadoop.hbase.filter.SubstringComparator import org.apache.hadoop.hbase.util.Bytes scan 'newdb3', { FILTER => SingleColumnValueFilter.new(Bytes.toBytes('data'), \ Bytes.toBytes('duration'), CompareFilter::CompareOp.valueOf('GREATER'), \ BinaryComparator.new(Bytes.toBytes('200'))) }

NOTE: This will do a binary comparison and for numbers it will work only if they are 0-padded


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