def __query__(self, q):
if not isinstance(q, Query):
raise TypeError("Expected a Query.", q)
# The ordered set is needed for deterministic optimization.
variables = OrderedSet()
for tag in q.include:
variables.update(self.__db__[tag])
for tag in q.require:
variables.intersection_update(self.__db__[tag])
for tag in q.exclude:
variables.difference_update(self.__db__[tag])
remove = OrderedSet()
add = OrderedSet()
for obj in variables:
if isinstance(obj, DB):
def_sub_query = q
if q.extra_optimizations:
def_sub_query = copy.copy(q)
def_sub_query.extra_optimizations = []
sq = q.subquery.get(obj.name, def_sub_query)
replacement = obj.query(sq)
replacement.name = obj.name
remove.add(obj)
add.add(replacement)
variables.difference_update(remove)
variables.update(add)
return variables
def __query__(self, q):
if not isinstance(q, Query):
raise TypeError('Expected a Query.', q)
# The ordered set is needed for deterministic optimization.
variables = OrderedSet()
for tag in q.include:
variables.update(self.__db__[tag])
for tag in q.require:
variables.intersection_update(self.__db__[tag])
for tag in q.exclude:
variables.difference_update(self.__db__[tag])
remove = OrderedSet()
add = OrderedSet()
for obj in variables:
if isinstance(obj, DB):
def_sub_query = q
if q.extra_optimizations:
def_sub_query = copy.copy(q)
def_sub_query.extra_optimizations = []
sq = q.subquery.get(obj.name, def_sub_query)
replacement = obj.query(sq)
replacement.name = obj.name
remove.add(obj)
add.add(replacement)
variables.difference_update(remove)
variables.update(add)
return variables
