- Fixed column.copy() to copy defaults and onupdates.

[ticket:1373]

CHANGES

@@ -413,6 +413,9 @@ CHANGES
       is old stuff.  [ticket:1486]
       
 - sql
+    - Fixed column.copy() to copy defaults and onupdates.
+      [ticket:1373]
+
     - Fixed a bug in extract() introduced in 0.5.4 whereby
       the string "field" argument was getting treated as a 
       ClauseElement, causing various errors within more 

lib/sqlalchemy/schema.py

@@ -782,6 +782,10 @@ class Column(SchemaItem, expression.ColumnClause):
                 quote=self.quote, 
                 index=self.index, 
                 autoincrement=self.autoincrement, 
+                default=self.default,
+                server_default=self.server_default,
+                onupdate=self.onupdate,
+                server_onupdate=self.server_onupdate,
                 *[c.copy(**kw) for c in self.constraints])
 
     def _make_proxy(self, selectable, name=None):

lib/sqlalchemy/test/testing.py

@@ -631,15 +631,9 @@ class ComparesTables(object):
                 eq_(c.type.length, reflected_c.type.length)
 
             eq_(set([f.column.name for f in c.foreign_keys]), set([f.column.name for f in reflected_c.foreign_keys]))
-            if c.default:
+            if c.server_default:
                 assert isinstance(reflected_c.server_default,
                                   schema.FetchedValue)
-            elif against(('mysql', '<', (5, 0))):
-                # ignore reflection of bogus db-generated DefaultClause()
-                pass
-            elif not c.primary_key or not against('postgresql', 'mssql'):
-                #print repr(c)
-                assert reflected_c.default is None, reflected_c.default
 
         assert len(table.primary_key) == len(reflected_table.primary_key)
         for c in table.primary_key:

test/engine/test_metadata.py

@@ -46,6 +46,8 @@ class MetaDataTest(TestBase, ComparesTables):
         table = Table('mytable', meta,
             Column('myid', Integer, primary_key=True),
             Column('name', String(40), nullable=True),
+            Column('foo', String(40), nullable=False, server_default='x', server_onupdate='q'),
+            Column('bar', String(40), nullable=False, default='y', onupdate='z'),
             Column('description', String(30), CheckConstraint("description='hi'")),
             UniqueConstraint('name'),
             test_needs_fk=True,
@@ -83,7 +85,7 @@ class MetaDataTest(TestBase, ComparesTables):
 
         meta.create_all(testing.db)
         try:
-            for test, has_constraints in ((test_to_metadata, True), (test_pickle, True),(test_pickle_via_reflect, False)):
+            for test, has_constraints, reflect in ((test_to_metadata, True, False), (test_pickle, True, False),(test_pickle_via_reflect, False, True)):
                 table_c, table2_c = test()
                 self.assert_tables_equal(table, table_c)
                 self.assert_tables_equal(table2, table2_c)
@@ -92,7 +94,13 @@ class MetaDataTest(TestBase, ComparesTables):
                 assert table.primary_key is not table_c.primary_key
                 assert list(table2_c.c.myid.foreign_keys)[0].column is table_c.c.myid
                 assert list(table2_c.c.myid.foreign_keys)[0].column is not table.c.myid
-
+                assert str(table_c.c.foo.server_default.arg) == 'x'
+                
+                if not reflect:
+                    assert str(table_c.c.foo.server_onupdate.arg) == 'q'
+                    assert str(table_c.c.bar.default.arg) == 'y'
+                    assert getattr(table_c.c.bar.onupdate.arg, 'arg', table_c.c.bar.onupdate.arg) == 'z'
+                
                 # constraints dont get reflected for any dialect right now
                 if has_constraints:
                     for c in table_c.c.description.constraints: