Database type support

Src/Asp.Net/SqlSugar/Realization/MySql/DbBind/MySqlDbBind.cs

@@ -66,6 +66,7 @@ namespace SqlSugar
                     new KeyValuePair<string, CSharpDataType>("geometry",CSharpDataType.byteArray),
                     new KeyValuePair<string, CSharpDataType>("multilinestring",CSharpDataType.byteArray),
                     new KeyValuePair<string, CSharpDataType>("polygon",CSharpDataType.byteArray),
+                    new KeyValuePair<string, CSharpDataType>("mediumblob",CSharpDataType.byteArray),
 
                     new KeyValuePair<string, CSharpDataType>("varchar",CSharpDataType.Guid),
                 };

Src/Asp.Net/SqlSugar/Realization/SqlServer/DbBind/SqlServerDbBind.cs

@@ -20,6 +20,7 @@ namespace SqlSugar
                   new KeyValuePair<string, CSharpDataType>("char",CSharpDataType.@string),
                   new KeyValuePair<string, CSharpDataType>("ntext",CSharpDataType.@string),
                   new KeyValuePair<string, CSharpDataType>("nchar",CSharpDataType.@string),
+                  new KeyValuePair<string, CSharpDataType>("hierarchyid",CSharpDataType.@string),
                   new KeyValuePair<string, CSharpDataType>("bigint",CSharpDataType.@long),
                   new KeyValuePair<string, CSharpDataType>("bit",CSharpDataType.@bool),
                   new KeyValuePair<string, CSharpDataType>("datetime",CSharpDataType.DateTime),