[jira] Created: (HBASE-3482) [Stargate] Add documentation for filter definition in JSON

["Lars George (JIRA)" <ji...@apache.org>]

[Stargate] Add documentation for filter definition in JSON
----------------------------------------------------------

                 Key: HBASE-3482
                 URL: https://issues.apache.org/jira/browse/HBASE-3482
             Project: HBase
          Issue Type: Improvement
          Components: rest
    Affects Versions: 0.90.0
            Reporter: Lars George
            Assignee: Andrew Purtell
            Priority: Minor
             Fix For: 0.90.1


Copied from email in dev@:

Am I wrong or is there a lack of documentation for the FilterModel for the filters in Stargate? The Wiki http://wiki.apache.org/hadoop/Hbase/HbaseRest points to an old 0.20.4 documentation (although saying it is the new place) and the other page we have is void of details on the filters for scans, i.e. http://wiki.apache.org/hadoop/Hbase/Stargate

They are implemented in https://issues.apache.org/jira/browse/HBASE-1696 (also see the linked https://issues.apache.org/jira/browse/HBASE-2274) but no description is public. I used a little helper to get the details like so

{code}
import org.apache.hadoop.hbase.filter.BinaryComparator;
import org.apache.hadoop.hbase.filter.CompareFilter;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.hadoop.hbase.filter.RowFilter;
import org.apache.hadoop.hbase.rest.model.ScannerModel;
import org.apache.hadoop.hbase.util.Bytes;

public class TestFilter {

 public static void main(String[] args) {
   Filter f = new RowFilter(CompareFilter.CompareOp.EQUAL, new
BinaryComparator(Bytes.toBytes("testrow")));
   try {
     System.out.println(ScannerModel.stringifyFilter(f));
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
}
{code}

giving

{code}
{"op":"EQUAL","type":"RowFilter","comparator":{"value":"dGVzdHJvdw==","type":"BinaryComparator"}}
{code}

Obviously this can be also seen from the FilterModel class but I assume we need some documentation on that Stargate page?

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