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Merged hash() calls. 

Thanks Simon Charette for the review.
This commit is contained in:
Mariusz Felisiak 2017-09-28 18:12:48 +02:00 committed by Tim Graham
parent fc6528b25a
commit 2b5a511bd9
2 changed files with 3 additions and 9 deletions
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10
django/db/models/expressions.py
View File

@ -375,10 +375,7 @@ class BaseExpression:
def __hash__(self):
path, args, kwargs = self.deconstruct()
h = hash(path) ^ hash(args)
for kwarg in kwargs.items():
h ^= hash(kwarg)
return h
return hash((path,) + args + tuple(kwargs.items()))
class Expression(BaseExpression, Combinable):
@ -689,10 +686,7 @@ class RawSQL(Expression):
return [self]
def __hash__(self):
h = hash(self.sql) ^ hash(self.output_field)
for param in self.params:
h ^= hash(param)
return h
return hash((self.sql, self.output_field) + tuple(self.params))
class Star(Expression):

2
django/db/models/query.py
View File

@ -1416,7 +1416,7 @@ class Prefetch:
return isinstance(other, Prefetch) and self.prefetch_to == other.prefetch_to
def __hash__(self):
return hash(self.__class__) ^ hash(self.prefetch_to)
return hash((self.__class__, self.prefetch_to))
def normalize_prefetch_lookups(lookups, prefix=None):