def test_single_entity_frozen(self):
s = fixture_session()
User = self.classes.User
stmt = select(User).where(User.id.in_([7, 8, 9])).order_by(User.id)
result = s.execute(stmt)
it = loading.merge_frozen_result(s, stmt, result.freeze())
eq_([x.id for x in it().scalars()], [7, 8, 9])
def test_entity_col_mix_plain_tuple_frozen(self):
s = fixture_session()
User = self.classes.User
stmt = (select(User,
User.id).where(User.id.in_([7, 8,
9])).order_by(User.id))
result = s.execute(stmt)
it = loading.merge_frozen_result(s, stmt, result.freeze())
it = list(it())
eq_([(x.id, y) for x, y in it], [(7, 7), (8, 8), (9, 9)])
eq_(list(it[0]._mapping.keys()), ["User", "id"])
def _do_orm_execute(self, orm_context):
for opt in orm_context.user_defined_options:
if isinstance(opt, RelationshipCache):
opt = opt._process_orm_context(orm_context)
if opt is None:
continue
if isinstance(opt, FromCache):
dogpile_region = self.cache_regions[opt.region]
our_cache_key = opt._generate_cache_key(
orm_context.statement, orm_context.parameters, self
)
if opt.ignore_expiration:
cached_value = dogpile_region.get(
our_cache_key,
expiration_time=opt.expiration_time,
ignore_expiration=opt.ignore_expiration,
)
else:
def createfunc():
return orm_context.invoke_statement().freeze()
cached_value = dogpile_region.get_or_create(
our_cache_key,
createfunc,
expiration_time=opt.expiration_time,
)
if cached_value is NO_VALUE:
# keyerror? this is bigger than a keyerror...
raise KeyError()
orm_result = loading.merge_frozen_result(
orm_context.session,
orm_context.statement,
cached_value,
load=False,
)
return orm_result()
else:
return None
