@Override
    public Object getObject(final int columnIndex) throws SQLException {
        return mergeResultSet.getValue(columnIndex, Object.class);
    }
@Test
    void assertGetObjectWithByteArray() throws SQLException {
        byte[] result = new byte[0];
        when(mergeResultSet.getValue(1, byte[].class)).thenReturn(result);
        assertThat(shardingSphereResultSet.getObject(1, byte[].class), is(result));
    }