types.Variant() has a __repr__ usable by Alembicpr/9

3 files changed, 20 insertions, 0 deletions

diff --git a/lib/sqlalchemy/dialects/drizzle/base.py b/lib/sqlalchemy/dialects/drizzle/base.py
index efad13549..3966c7dde 100644
--- a/lib/sqlalchemy/dialects/drizzle/base.py
+++ b/lib/sqlalchemy/dialects/drizzle/base.py
@@ -263,6 +263,13 @@ class CHAR(_StringType, sqltypes.CHAR):
 class ENUM(mysql_dialect.ENUM):
     """Drizzle ENUM type."""
 
+    __kwargs_signature__ = (
+        ('strict', False),
+        ('collation', None),
+        ('binary', False),
+        ('quoting', 'unquoted'),
+    )
+
     def __init__(self, *enums, **kw):
         """Construct an ENUM.
 
diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index d5e33c802..61b7c1b17 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -977,6 +977,15 @@ class ENUM(sqltypes.Enum, _StringType):
     """MySQL ENUM type."""
 
     __visit_name__ = 'ENUM'
+    __kwargs_signature__ = (
+        ('strict', False),
+        ('charset', None),
+        ('collation', None),
+        ('ascii', False),
+        ('unicode', False),
+        ('binary', False),
+        ('quoting', 'unquoted'),
+    )
 
     def __init__(self, *enums, **kw):
         """Construct an ENUM.
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index dc6e30b81..8fd5e411a 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -763,6 +763,10 @@ class ENUM(sqltypes.Enum):
 
     """
 
+    __kwargs_signature__ = (
+        ('create_type', True),
+    )
+
     def __init__(self, *enums, **kw):
         """Construct an :class:`~.postgresql.ENUM`.