private static Func <T, object> CreatePropertySelector <T>(string column, IEnumerable <string>?extraAllowedColumns)
{
var parameter = Expression.Parameter(typeof(T), "x");
var selector = Expression.PropertyOrField(parameter, column);
LinqHelpers.CheckTargetColumn(column, extraAllowedColumns, selector);
var cast = Expression.Convert(selector, typeof(object));
return((Func <T, object>)Expression.Lambda(cast, parameter).Compile());
}
