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From "ChiaPing Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16071) The VisibilityLabelFilter should not count the "delete cell"
Date Mon, 20 Jun 2016 11:33:05 GMT
ChiaPing Tsai created HBASE-16071:

             Summary: The VisibilityLabelFilter should not count the "delete cell"
                 Key: HBASE-16071
                 URL: https://issues.apache.org/jira/browse/HBASE-16071
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: ChiaPing Tsai
            Priority: Trivial

The VisibilityLabelFilter will see and count the "delete cell" if the scan.isRaw() returns
true, so the (put) cell will be skipped if it has lower version than "delete cell"

The critical code is shown below:
  public ReturnCode filterKeyValue(Cell cell) throws IOException {
    if (curFamily.getBytes() == null
        || !(CellUtil.matchingFamily(cell, curFamily.getBytes(), curFamily.getOffset(),
            curFamily.getLength()))) {
      curFamily.set(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength());
      // For this family, all the columns can have max of curFamilyMaxVersions versions. No
need to
      // consider the older versions for visibility label check.
      // Ideally this should have been done at a lower layer by HBase (?)
      curFamilyMaxVersions = cfVsMaxVersions.get(curFamily);
      // Family is changed. Just unset curQualifier.
    if (curQualifier.getBytes() == null
        || !(CellUtil.matchingQualifier(cell, curQualifier.getBytes(), curQualifier.getOffset(),
            curQualifier.getLength()))) {
      curQualifier.set(cell.getQualifierArray(), cell.getQualifierOffset(),
      curQualMetVersions = 0;
    if (curQualMetVersions > curFamilyMaxVersions) {
      return ReturnCode.SKIP;

    return this.expEvaluator.evaluate(cell) ? ReturnCode.INCLUDE : ReturnCode.SKIP;

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