public IObQueryable <TModel> Select(IObQueryable <TModel> queryable)
{
if (ObGroup == null)
{
ObGroup = new ObGroup();
}
ObGroup.AddGroupBy(queryable.ObGroup.ObProperties.Select(o => (ObProperty)o).ToArray());
return(this);
}
public IObQueryable <TModel> GroupBy <TKey>(Expression <Func <TModel, TKey> > keySelector)
{
if (ObGroup == null)
{
ObGroup = new ObGroup();
}
var body = keySelector.Body;
var value = CreateValue(body);
if (value is ObProperty obProperty)
{
ObGroup.AddGroupBy(obProperty);
}
if (value is object[] objs)
{
ObGroup.AddGroupBy(objs.Select(o => (ObProperty)o).ToArray());
}
return(this);
}