protected int processQuery(String query, int numSplits, RowProcessor rowProcessor) throws Exception {
    return processQuery(null, query, numSplits, rowProcessor);
  }
Specialize this base class for different serde's/formats
{@link #beforeTest(boolean) beforeTest} should be called
by sub-classes in a {@link org.junit.BeforeClass} initializer
itests/hive-unit/src/test/java/org/apache/hive/jdbc/BaseJdbcWithMiniLlap.java