@contextfilter
def do_select(*args, **kwargs):
    return _select_or_reject(args, kwargs, lambda x: x, False)
Insert projections to keep dataset as thin as possible
dataset/ETHPy150Open GoogleCloudPlatform/appengine-flask-skeleton/lib/jinja2/filters.py/do_select--crossover with--dataset/ETHPy150Open blaze/blaze/blaze/expr/optimize.py/lean_projection