@pytest.mark.xfail(raises=(py4j.protocol.Py4JJavaError, AnalysisException),
                   reason='bug in sparksql')
def test_append(ctx):
    a = ctx.table('t2')
    a.insertInto('t2')
    result = odo(odo(a, pd.DataFrame), set)
    expected = odo(pd.concat([odo(a, pd.DataFrame)]) * 2, set)
    assert result == expected
Add support for odo(SparkDataFrame, SparkDataFrame) when this is fixed.
dataset/ETHPy150Open blaze/odo/odo/backends/tests/test_sparksql.py/test_append