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From "Anton Nazaruk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14206) MultiRowRangeFilter returns records whose rowKeys are out of allowed ranges
Date Tue, 11 Aug 2015 09:28:45 GMT
Anton Nazaruk created HBASE-14206:
-------------------------------------

             Summary: MultiRowRangeFilter returns records whose rowKeys are out of allowed
ranges
                 Key: HBASE-14206
                 URL: https://issues.apache.org/jira/browse/HBASE-14206
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.1.0
         Environment: linux, java7
            Reporter: Anton Nazaruk
            Assignee: Ted Yu


I haven't found a way to attach test program to JIRA issue, so put it below :

{code}
public class MultiRowRangeFilterTest {
 
   byte[] key1Start =    new byte[] {-3};
    byte[] key1End =    new byte[] {-2};

    byte[] key2Start =    new byte[] {5};
    byte[] key2End =    new byte[] {6};

    byte[] badKey = new byte[] {-10};


    @Test
    public void testRanges() throws IOException {

        MultiRowRangeFilter filter = new MultiRowRangeFilter(Arrays.asList(
                new MultiRowRangeFilter.RowRange(key1Start, true, key1End, false),
                new MultiRowRangeFilter.RowRange(key2Start, true, key2End, false)
        ));

        filter.filterRowKey(badKey, 0, 1);

        /*
        * FAILS -- includes BAD key!
        * Expected :SEEK_NEXT_USING_HINT
        * Actual   :INCLUDE
        * */
        assertEquals(Filter.ReturnCode.SEEK_NEXT_USING_HINT, filter.filterKeyValue(null));
    }
}
{code}

It seems to happen on 2.0.0-SNAPSHOT too, but I wasn't able to link one with included class.

I have played some time with algorithm, and found that quick fix may be applied to "getNextRangeIndex(byte[]
rowKey)" method (hbase-client:1.1.0) :

{code}
if (insertionPosition == 0 && !rangeList.get(insertionPosition).contains(rowKey))
{
        return ROW_BEFORE_FIRST_RANGE;
      }

     // FIX START
if(!this.initialized) {
    this.initialized = true;
}
    // FIX END
      return insertionPosition;
{code} 

Thanks, hope it will help.



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