Merge pull request #168 from studyzhanglei/fix/smallint2int16

fix：let  smallint into int16

data/view/cnf/def.go

@@ -70,7 +70,8 @@ var TypeMysqlMatchList = []struct {
 	{`^(blob)[(]\d+[)]`, "[]byte"},
 	{`^(binary)[(]\d+[)]`, "[]byte"},
 	{`^(decimal)[(]\d+,\d+[)]`, "float64"},
-	{`^(mediumint)[(]\d+[)]`, "string"},
+	{`^(mediumint)[(]\d+[)]`, "int16"},
+	{`^(mediumint)[(]\d+[)] unsigned`, "uint16"},
 	{`^(double)[(]\d+,\d+[)]`, "float64"},
 	{`^(float)[(]\d+,\d+[)]`, "float64"},
 	{`^(datetime)[(]\d+[)]`, "time.Time"},