Revert "fix"

This reverts commit 84b42ed8.

PetaPoco/Models/Generated/MysqlModel.cs

@@ -2841,7 +2841,7 @@ namespace DbConn
 		/// 沃尔玛 Upc
 		/// </summary>
 		[Description("沃尔玛 Upc")]
-		[Column("s_walmrat_upc")] public string s_walmrat_upc { get; set; }
+		[Column("s_walmrat_upc")] public int s_walmrat_upc { get; set; }
 	}