/// <summary>
/// Compares the exists.
/// </summary>
/// <param name="a">A.</param>
/// <param name="b">The b.</param>
/// <returns></returns>
protected virtual bool CompareExists(ExistsExpression a, ExistsExpression b)
{
return(this.Compare(a.Select, b.Select));
}
/// <summary>
/// Visits the exists.
/// </summary>
/// <param name="exists">The exists.</param>
/// <returns></returns>
protected virtual Expression VisitExists(ExistsExpression exists)
{
var select = (SelectExpression)this.Visit(exists.Select);
return(this.UpdateExists(exists, select));
}
