public static void AddColumns <T>(this Projection projection)
{
var ids = GetColumnIds <T>();
foreach (var id in ids)
{
if (id == 0)
{
throw new Exception("ColumnId cannot be 0");
}
projection.AddColumn(id);
}
}
public override IGridDataSource <TEntity> BuildSource(ISession session)
{
var projection = new Projection <TEntity>(session);
if (SelectMode == ProjectionSelectMode.OnlySpecifiedColumns)
{
Definition.SelectedAccessors.Each(a => projection.AddColumn(a));
Definition.Columns.Where(c => c.IsOuterJoin).SelectMany(c => c.SelectAccessors()).Each(a =>
{
alterProjection = p => p.OuterJoin(a);
});
}
_projectionBuilders.Each(x => x(projection));
return(new ProjectionDataSource <TEntity>(projection, SelectMode));
}