Calling yield_per on a query followed by execution_options results in
the following error:
Traceback (most recent call last):
File "/tmp/execution_options.py", line 18, in <module>
query = query.execution_options(stream_results=True)
File "<string>", line 1, in <lambda>
File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line
50, in generate
fn(self, *args[1:], **kw)
File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line
1040, in execution_options
self._execution_options = self._execution_options.union(kwargs)
AttributeError: 'dict' object has no attribute 'union'
Attached is a patch with a test case.
-Ryan Kelly
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diff -r 53b53ad288ad lib/sqlalchemy/orm/query.py
--- a/lib/sqlalchemy/orm/query.py Thu Feb 07 20:29:47 2013 -0500
+++ b/lib/sqlalchemy/orm/query.py Thu Feb 07 23:05:45 2013 -0500
@@ -712,8 +712,7 @@
"""
self._yield_per = count
- self._execution_options = self._execution_options.copy()
- self._execution_options['stream_results'] = True
+ self.execution_options(stream_results=True)
def get(self, ident):
"""Return an instance based on the given primary key identifier,
diff -r 53b53ad288ad test/orm/test_query.py
--- a/test/orm/test_query.py Thu Feb 07 20:29:47 2013 -0500
+++ b/test/orm/test_query.py Thu Feb 07 23:05:45 2013 -0500
@@ -1784,6 +1784,13 @@
except StopIteration:
pass
+ def test_yield_per_and_execution_options(self):
+ User = self.classes.User
+
+ sess = create_session()
+ q = sess.query(User).yield_per(1)
+ q = q.execution_options(stream_results=True)
+
class HintsTest(QueryTest, AssertsCompiledSQL):
def test_hints(self):
User = self.classes.User
