1 files changed, 15 insertions, 10 deletions
diff --git a/lib/sqlalchemy/databases/mysql.py b/lib/sqlalchemy/databases/mysql.py
index 14e26438f..be704ef2a 100644
--- a/lib/sqlalchemy/databases/mysql.py
+++ b/lib/sqlalchemy/databases/mysql.py
@@ -34,7 +34,7 @@ class MSDecimal(MSNumeric):
     def get_col_spec(self):
         if self.precision is not None and self.length is not None:
             return kw_colspec(self, "DECIMAL(%(precision)s, %(length)s)" % {'precision': self.precision, 'length' : self.length})
-class MSDouble(sqltypes.Numeric):
+class MSDouble(MSNumeric):
     def __init__(self, precision=10, length=2, **kw):
         if (precision is None and length is not None) or (precision is not None and length is None):
             raise exceptions.ArgumentError("You must specify both precision and length or omit both altogether.")
@@ -60,28 +60,28 @@ class MSFloat(sqltypes.Float):
             return kw_colspec(self, "FLOAT(%(precision)s)" % {'precision': self.precision})
         else:
             return kw_colspec(self, "FLOAT")
-class MSBigInteger(sqltypes.Integer):
+class MSInteger(sqltypes.Integer):
     def __init__(self, length=None, **kw):
         self.length = length
         self.unsigned = 'unsigned' in kw
         self.zerofill = 'zerofill' in kw
-        super(MSBigInteger, self).__init__()
+        super(MSInteger, self).__init__()
     def get_col_spec(self):
         if self.length is not None:
-            return kw_colspec(self, "BIGINT(%(length)s)" % {'length': self.length})
+            return kw_colspec(self, "INTEGER(%(length)s)" % {'length': self.length})
         else:
-            return kw_colspec(self, "BIGINT")
-class MSInteger(sqltypes.Integer):
+            return kw_colspec(self, "INTEGER")
+class MSBigInteger(MSInteger):
     def __init__(self, length=None, **kw):
         self.length = length
         self.unsigned = 'unsigned' in kw
         self.zerofill = 'zerofill' in kw
-        super(MSInteger, self).__init__()
+        super(MSBigInteger, self).__init__()
     def get_col_spec(self):
         if self.length is not None:
-            return kw_colspec(self, "INTEGER(%(length)s)" % {'length': self.length})
+            return kw_colspec(self, "BIGINT(%(length)s)" % {'length': self.length})
         else:
-            return kw_colspec(self, "INTEGER")
+            return kw_colspec(self, "BIGINT")
 class MSSmallInteger(sqltypes.Smallinteger):
     def __init__(self, length=None, **kw):
         self.length = length
@@ -153,7 +153,12 @@ class MSBinary(sqltypes.Binary):
             return None
         else:
             return buffer(value)
-class MSEnum(sqltypes.String):
+
+class MSMediumBlob(MSBinary):
+    def get_col_spec(self):
+        return "MEDIUMBLOB"
+            
+class MSEnum(MSString):
     def __init__(self, *enums):
         self.__enums_hidden = enums
         length = 0