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From "Samarth Jain (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17096) checkAndMutateApi doesn't work correctly on 0.98.23
Date Tue, 15 Nov 2016 03:34:58 GMT
Samarth Jain created HBASE-17096:

             Summary: checkAndMutateApi doesn't work correctly on 0.98.23
                 Key: HBASE-17096
                 URL: https://issues.apache.org/jira/browse/HBASE-17096
             Project: HBase
          Issue Type: Bug
            Reporter: Samarth Jain

Below is the test case. It uses some Phoenix APIs for getting hold of admin and HConnection
but should be easily adopted for an HBase IT test. The second checkAndMutate should return
false but it is returning true. This test fails with HBase-0.98.23 and works fine with HBase-0.98.17
    public void testCheckAndMutateApi() throws Exception {
        byte[] row = Bytes.toBytes("ROW");
        byte[] tableNameBytes = Bytes.toBytes(generateUniqueName());
        byte[] family = Bytes.toBytes(generateUniqueName());
        byte[] qualifier = Bytes.toBytes("QUALIFIER");
        byte[] oldValue = null;
        byte[] newValue = Bytes.toBytes("VALUE");
        Put put = new Put(row);
        put.add(family, qualifier, newValue);
        try (Connection conn = DriverManager.getConnection(getUrl())) {
            PhoenixConnection phxConn = conn.unwrap(PhoenixConnection.class);
            try (HBaseAdmin admin = phxConn.getQueryServices().getAdmin()) {
                HTableDescriptor tableDesc = new HTableDescriptor(
                HColumnDescriptor columnDesc = new HColumnDescriptor(family);
                HTableInterface tableDescriptor = admin.getConnection().getTable(tableNameBytes);
                assertTrue(tableDescriptor.checkAndPut(row, family, qualifier, oldValue, put));
                Delete delete = new Delete(row);
                RowMutations mutations = new RowMutations(row);
                assertTrue(tableDescriptor.checkAndMutate(row, family, qualifier, CompareOp.EQUAL,
newValue, mutations));
                assertFalse(tableDescriptor.checkAndMutate(row, family, qualifier, CompareOp.EQUAL,
newValue, mutations));

FYI, [~apurtell], [~jamestaylor], [~lhofhansl]. 

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