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Anoop Sam John commented on HBASE-15260: ---------------------------------------- null should be checked for the lack of column IMO. The doc seems correct. > Should we check zero length value in checkAndMutate when null is passes as > expected value? > ------------------------------------------------------------------------------------------ > > Key: HBASE-15260 > URL: https://issues.apache.org/jira/browse/HBASE-15260 > Project: HBase > Issue Type: Bug > Reporter: Ankit Singhal > > Should we check zero length value in checkAndMutate when null is passes as > expected value? > If yes, then I think we should update the documentation for checkAndPut with > the same as sometimes column are used for marker with empty byte array. > {code} > If the passed value is null, the check > * is for the lack of column (ie: non-existance) > boolean checkAndPut(byte[] row, byte[] family, byte[] qualifier, > byte[] value, Put put) throws IOException; > {code} > otherwise , we should remove this check. > {code} > HRegion.class > @Override > public boolean checkAndMutate(byte [] row, byte [] family, byte [] > qualifier, > CompareOp compareOp, ByteArrayComparable comparator, Mutation w, > boolean writeToWAL) > throws IOException{ > ... > else if (result.size() > 0 && result.get(0).getValueLength() == 0 && > valueIsNull) { > matches = true; > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)