@dispatch(Concat, (Select, Selectable), (Select, Selectable))
def compute_up(t, lhs, rhs, **kwargs):
    if t.axis == 0:
        raise ValueError(
            'Cannot concat along a non-zero axis in sql; perhaps you want'
            " 'merge'?",
        )

    return select(lhs).union_all(select(rhs)).alias()
dataset/ETHPy150Open blaze/blaze/blaze/compute/sql.py/compute_up/operator `!=` -> `==`