oid inits at compilation time/when needed again, added a unit test

1 files changed, 11 insertions, 0 deletions

diff --git a/test/proxy_engine.py b/test/proxy_engine.py
index 2ef19fc07..14cd1902b 100644
--- a/test/proxy_engine.py
+++ b/test/proxy_engine.py
@@ -22,6 +22,17 @@ class User(object):
     pass
 
 
+class ConstructTest(PersistTest):
+    """tests that we can build SQL constructs without engine-specific parameters, particulary
+    oid_column, being needed, as the proxy engine is usually not connected yet."""
+    def test_join(self):
+        engine = ProxyEngine()
+        t = Table('table1', engine, 
+            Column('col1', Integer, primary_key=True))
+        t2 = Table('table2', engine, 
+            Column('col2', Integer, ForeignKey('table1.col1')))
+        j = join(t, t2)
+        
 class ProxyEngineTest1(PersistTest):
 
     def setUp(self):