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