private void SetTypeFromValue()

in MySQL.Data/src/MySqlParameter.cs [401:440]
39 lines of code
23 McCabe index (conditional complexity)

    private void SetTypeFromValue()
    {
      if (_paramValue == null || _paramValue == DBNull.Value) return;

      if (_paramValue is Guid)
        MySqlDbType = MySqlDbType.Guid;
      else if (_paramValue is TimeSpan)
        MySqlDbType = MySqlDbType.Time;
      else if (_paramValue is DateTimeOffset)
        MySqlDbType = MySqlDbType.DateTime;
      else if (_paramValue is bool)
        MySqlDbType = MySqlDbType.Byte;
      else
      {
        Type t = _paramValue.GetType();
        if (t.GetTypeInfo().BaseType == typeof(Enum))
          t = t.GetTypeInfo().GetEnumUnderlyingType();
        switch (t.Name)
        {
          case "SByte": MySqlDbType = MySqlDbType.Byte; break;
          case "Byte": MySqlDbType = MySqlDbType.UByte; break;
          case "Int16": MySqlDbType = MySqlDbType.Int16; break;
          case "UInt16": MySqlDbType = MySqlDbType.UInt16; break;
          case "Int32": MySqlDbType = MySqlDbType.Int32; break;
          case "UInt32": MySqlDbType = MySqlDbType.UInt32; break;
          case "Int64": MySqlDbType = MySqlDbType.Int64; break;
          case "UInt64": MySqlDbType = MySqlDbType.UInt64; break;
          case "DateTime": MySqlDbType = MySqlDbType.DateTime; break;
          case "String": MySqlDbType = MySqlDbType.VarChar; break;
          case "Single": MySqlDbType = MySqlDbType.Float; break;
          case "Double": MySqlDbType = MySqlDbType.Double; break;
          case "MySqlGeometry": MySqlDbType = MySqlDbType.Geometry; break;
          case "Decimal": MySqlDbType = MySqlDbType.Decimal; break;
          case "Object":
          default:
            MySqlDbType = MySqlDbType.Blob;
            break;
        }
      }
    }