builder.AppendFormat(" AND a.{0}={1} ",nameof(RB_Brand_Extend.BrandClassId),query.BrandClassId);
builder.AppendFormat(" AND (a.{0}={2} OR FIND_IN_SET('{2}',a.{1}) > 0 ",nameof(RB_Brand_Extend.BrandClassId),nameof(RB_Brand_Extend.MoreBrandClassId),query.BrandClassId);