Fix #221 handle getResultSet()

hikaricp-common/src/main/java/com/zaxxer/hikari/proxy/StatementProxy.java

@@ -196,6 +196,16 @@ public abstract class StatementProxy implements Statement
       return delegate.executeLargeUpdate(sql, columnNames);
    }
 
+   /** {@inheritDoc} */
+   @Override
+   public ResultSet getResultSet() throws SQLException {
+      final ResultSet resultSet = delegate.getResultSet();
+      if (resultSet != null) {
+         return ProxyFactory.getProxyResultSet(connection, resultSet);
+      }
+      return null;
+   }
+
    /** {@inheritDoc} */
    @Override
    @SuppressWarnings("unchecked")