engine argument on tables optional

test suite uses BaseProxyEngine as a base for the tester engine
documented global proxy engine

2 files changed, 7 insertions, 0 deletions

diff --git a/lib/sqlalchemy/__init__.py b/lib/sqlalchemy/__init__.py
index 5efbf6652..9f7b99fea 100644
--- a/lib/sqlalchemy/__init__.py
+++ b/lib/sqlalchemy/__init__.py
@@ -15,3 +15,7 @@ from mapping import *
 import sqlalchemy.schema
 import sqlalchemy.ext.proxy
 sqlalchemy.schema.default_engine = sqlalchemy.ext.proxy.ProxyEngine()
+
+def global_connect(*args, **kwargs):
+    sqlalchemy.schema.default_engine.connect(*args, **kwargs)
+    
\ No newline at end of file
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 6d43d8e9d..a11a1539e 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -47,6 +47,9 @@ class TableSingleton(type):
     """a metaclass used by the Table object to provide singleton behavior."""
     def __call__(self, name, engine=None, *args, **kwargs):
         try:
+            if not isinstance(engine, SchemaEngine):
+                args = [engine] + list(args)
+                engine = None
             if engine is None:
                 engine = default_engine
             name = str(name)    # in case of incoming unicode