

@compute_up.register(Coalesce, (ColumnElement, base), ColumnElement)
@compute_up.register(Coalesce, ColumnElement, base)
def coalesce_sql(t, lhs, rhs, **kwargs):
    return sa.sql.functions.coalesce(lhs, rhs).label(rhs._name)

dataset/ETHPy150Open blaze/blaze/blaze/compute/sql.py coalesce_sql/VarMisuse@61/74 `t`->`rhs`