private Expression BaseVisitNhDistinct(DistinctExpression expression)
{
Expression nx = base.VisitExpression(expression.Expression);
return nx != expression.Expression ? new DistinctExpression(nx) : expression;
}
protected virtual Expression VisitNhDistinct(DistinctExpression expression)
{
return VisitUnhandledItem<DistinctExpression, Expression>(expression, "VisitNhDistinct", BaseVisitNhDistinct);
}