1 files changed, 16 insertions, 0 deletions
diff --git a/test/dialect/postgresql/test_reflection.py b/test/dialect/postgresql/test_reflection.py
index 84aeef130..5f9e6df9a 100644
--- a/test/dialect/postgresql/test_reflection.py
+++ b/test/dialect/postgresql/test_reflection.py
@@ -344,6 +344,22 @@ class ReflectionTest(fixtures.TestBase):
         eq_(r.inserted_primary_key, [2])
 
     @testing.provide_metadata
+    def test_altered_type_autoincrement_pk_reflection(self):
+        metadata = self.metadata
+        t = Table(
+            't', metadata,
+            Column('id', Integer, primary_key=True),
+            Column('x', Integer)
+        )
+        metadata.create_all()
+        testing.db.connect().execution_options(autocommit=True).\
+            execute('alter table t alter column id type varchar(50)')
+        m2 = MetaData(testing.db)
+        t2 = Table('t', m2, autoload=True)
+        eq_(t2.c.id.autoincrement, False)
+        eq_(t2.c.x.autoincrement, False)
+
+    @testing.provide_metadata
     def test_renamed_pk_reflection(self):
         metadata = self.metadata
         t = Table('t', metadata, Column('id', Integer, primary_key=True))