public void AppendOrdering(OrderingExpression orderingExpression)
{
if (_orderings.FirstOrDefault(o => o.Expression.Equals(orderingExpression.Expression)) == null)
{
_orderings.Add(orderingExpression);
}
}
protected override Expression VisitOrdering(OrderingExpression orderingExpression)
{
Visit(orderingExpression.Expression);
if (!orderingExpression.Ascending)
{
_sqlBuilder.Append(" DESC");
}
return(orderingExpression);
}
public void ApplyOrdering(OrderingExpression orderingExpression)
{
if (IsDistinct ||
Limit != null ||
Offset != null)
{
throw new InvalidOperationException("See issue#16156");
}
_orderings.Clear();
_orderings.Add(orderingExpression);
}
protected abstract Expression VisitOrdering(OrderingExpression orderingExpression);
