dialects/mysql: inspect superclass for IntegerType in __repr__pr/53pr/52

This was causing issues with Alembic (https://bitbucket.org/zzzeek/alembic/issue/127/auto-generate-seems-to-miss-unsigned)

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index bd3298dab..2d5643f62 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -412,6 +412,10 @@ class _IntegerType(_NumericType, sqltypes.Integer):
         self.display_width = display_width
         super(_IntegerType, self).__init__(**kw)
 
+    def __repr__(self):
+        return util.generic_repr(self,
+                                 additional_kw=[('display_width', None)],
+                                 to_inspect=_NumericType)
 
 class _StringType(sqltypes.String):
     """Base for MySQL string types."""