def METHOD_NAME():
    x = np.arange(5)
    i = np.array([0, 2, 3])
    x1 = vaex.column.ColumnIndexed(x, i)
    x2 = vaex.column.ColumnIndexed(x, i)
    x3 = vaex.column.ColumnIndexed(x**2, i)
    assert x1.fingerprint() == x2.fingerprint()
    assert x1.fingerprint() != x3.fingerprint()