public SelectBuilder <T> OrderByDesc(Expression <Func <T, object> > parameter)
{
var param = QueryCreate.GetParameterName(parameter);
AddStatement(QueryHelper.OrderBy(param, false));
return(new SelectBuilder <T>(Build()));
}
public SelectBuilder <T> Aggregate <T>(Expression <Func <T, object> > firstParameter,
Expression <Func <T, object> >[] parameters, bool isCount) where T : class
{
var p1 = QueryCreate.GetParameterName(firstParameter);
var p2 = string.Empty;
if (parameters != null)
{
p2 = QueryCreate.GetParameterName(parameters);
}
return(isCount
? new SelectBuilder <T>(QueryHelper.SelectCount <T>(p1, p2))
: new SelectBuilder <T>(QueryHelper.SelectMax <T>(p1, p2)));
}
public SelectBuilder <T> Select <T>(params Expression <Func <T, object> >[] parameters)
where T : class => new SelectBuilder <T>(QueryHelper.Select <T>(QueryCreate.GetParameterName(parameters)));