From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 27 Jan 2013 16:24:45 +0000 (-0500)
Subject: Fixed bug where :meth:`.Table.tometadata` would fail if a
X-Git-Tag: rel_0_7_10~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=027eda4a34352ff8525119d841f06c73236e9723;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Fixed bug where :meth:`.Table.tometadata` would fail if a
:class:`.Column` had both a foreign key as well as an
alternate ".key" name for the column.
[ticket:2643]
---

diff --git a/doc/build/changelog/changelog_07.rst b/doc/build/changelog/changelog_07.rst
index cf802353aa..363e4cbee8 100644
--- a/doc/build/changelog/changelog_07.rst
+++ b/doc/build/changelog/changelog_07.rst
@@ -8,6 +8,14 @@
     :version: 0.7.10
     :released:
 
+    .. change::
+        :tags: sql, bug
+        :tickets: 2643
+
+        Fixed bug where :meth:`.Table.tometadata` would fail if a
+        :class:`.Column` had both a foreign key as well as an
+        alternate ".key" name for the column.
+
     .. change::
         :tags: engine, bug
         :tickets: 2604
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 8192a44232..154fb5f746 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -2145,7 +2145,7 @@ class ForeignKeyConstraint(Constraint):
 
     def copy(self, **kw):
         fkc = ForeignKeyConstraint(
-                    [x.parent.name for x in self._elements.values()],
+                    [x.parent.key for x in self._elements.values()],
                     [x._get_colspec(**kw) for x in self._elements.values()],
                     name=self.name,
                     onupdate=self.onupdate,
diff --git a/test/sql/test_metadata.py b/test/sql/test_metadata.py
index 781d4a3da8..2545008933 100644
--- a/test/sql/test_metadata.py
+++ b/test/sql/test_metadata.py
@@ -349,6 +349,18 @@ class MetaDataTest(fixtures.TestBase, ComparesTables):
         finally:
             meta.drop_all(testing.db)
 
+    def test_col_key_fk_parent_tometadata(self):
+        # test #2643
+        m1 = MetaData()
+        a = Table('a', m1, Column('x', Integer))
+        b = Table('b', m1, Column('x', Integer, ForeignKey('a.x'), key='y'))
+        assert b.c.y.references(a.c.x)
+
+        m2 = MetaData()
+        b2 = b.tometadata(m2)
+        a2 = a.tometadata(m2)
+        assert b2.c.y.references(a2.c.x)
+
     def test_pickle_metadata_sequence_restated(self):
         m1 = MetaData()
         Table('a', m1,