def __init__(self, factory, *parts, **kwargs):
self.factory = IQueryViewFactory(factory)
self.parts = []
self.operators = []
if len(parts) == 0:
raise ValueError("Empty query?")
for part, index in zip(parts, range(len(parts))):
if index % 2 == 0:
if not IPlanBuilder.providedBy(part):
raise ValueError("Element at index %d should be a Query or"
" condition, %r given" % (index, part))
for query in part.get_basic_queries():
if not factory.has_field(query[0]):
raise ValueError("Unknown query field: '%s'" %
(query[0], ))
self.parts.append(part)
if index % 2 == 1:
if not isinstance(part, Operator):
raise ValueError("Element at index %d should be an "
"Operator, %r given" % (index, part))
self.operators.append(part)
sorting = kwargs.pop('sorting', None)
self.set_sorting(sorting)
if kwargs:
raise ValueError('Uknown keywords: %s' % (kwargs.keys(), ))
def __init__(self, *parts, **kwargs):
self.parts = []
self.operators = []
if len(parts) == 0:
# This is to allow querying with empty query. The default field
# is the first one defined for this class.
parts = [Condition(self.default_field, Evaluator.none, None)]
for index, part in enumerate(parts):
if index % 2 == 0:
if not IPlanBuilder.providedBy(part):
raise ValueError("Element at index %d should be a Query or" " condition, %r given" % (index, part))
for query in part.get_basic_queries():
if query.field not in self.fields:
raise ValueError("Unknown query field: '%s'" % (query.field,))
self.parts.append(part)
if index % 2 == 1:
if not isinstance(part, Operator):
raise ValueError("Element at index %d should be an " "Operator, %r given" % (index, part))
if self.operators and part not in self.operators:
raise ValueError(
"Sorry, mixing different operators inside"
"a query is not currently supported. "
"Please use nested queries instead"
)
self.operators.append(part)
self.include_value = list(kwargs.pop("include_value", list()))
if not isinstance(self.include_value, (list, tuple)):
raise ValueError("%r should be a list or tuple" % (self.include_value))
self.aggregate = kwargs.pop("aggregate", None)
sorting = kwargs.pop("sorting", None)
self.set_sorting(sorting)
if kwargs:
raise ValueError("Unknown keywords: %s" % (kwargs.keys(),))