From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Wed, 16 Jul 2014 19:24:32 +0000 (-0400)
Subject: - also add the alternate approach, name column distinctly from attribute name,
X-Git-Tag: rel_0_9_7~16
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=71cb95ef9f88cc5d578363ad688399a056e6d0f4;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

- also add the alternate approach, name column distinctly from attribute name,
ref #3129
---

diff --git a/lib/sqlalchemy/ext/automap.py b/lib/sqlalchemy/ext/automap.py
index a4f86c78a1..121285ab3a 100644
--- a/lib/sqlalchemy/ext/automap.py
+++ b/lib/sqlalchemy/ext/automap.py
@@ -432,6 +432,20 @@ We can resolve this conflict by using an underscore as follows::
     Base.prepare(engine, reflect=True,
         name_for_scalar_relationship=name_for_scalar_relationship)
 
+Alternatively, we can change the name on the column side.   The columns
+that are mapped can be modified using the technique described at
+:ref:`mapper_column_distinct_names`, by assigning the column explicitly
+to a new name::
+
+    Base = automap_base()
+
+    class TableB(Base):
+        __tablename__ = 'table_b'
+        _table_a = Column('table_a', ForeignKey('table_a.id'))
+
+    Base.prepare(engine, reflect=True)
+
+
 Using Automap with Explicit Declarations
 ========================================