protected override Expression VisitSelect(SelectExpression select) { select = (SelectExpression)base.VisitSelect(select); List <SelectExpression> selectsToRemove = RedundantSubqueryGatherer.Gather(select.From); if (selectsToRemove != null) { select = SubqueryRemover.Remove(select, selectsToRemove); } return(select); }
protected override Expression VisitProjection(ProjectionExpression proj) { proj = (ProjectionExpression)base.VisitProjection(proj); if (proj.Select.From is SelectExpression) { List <SelectExpression> selectsToRemove = RedundantSubqueryGatherer.Gather(proj.Select); if (selectsToRemove != null) { proj = SubqueryRemover.Remove(proj, selectsToRemove); } } return(proj); }