protected BetweenExpression UpdateBetween(BetweenExpression between, Expression expression, Expression lower, Expression upper)
{
if (expression != between.Expression || lower != between.Lower || upper != between.Upper)
{
return new BetweenExpression(expression, lower, upper);
}
return between;
}
protected override Expression VisitBetween(BetweenExpression between)
{
this.VisitValue(between.Expression);
this.Write(" BETWEEN ");
this.VisitValue(between.Lower);
this.Write(" AND ");
this.VisitValue(between.Upper);
return between;
}
protected virtual Expression VisitBetween(BetweenExpression between)
{
var expr = this.Visit(between.Expression);
var lower = this.Visit(between.Lower);
var upper = this.Visit(between.Upper);
return this.UpdateBetween(between, expr, lower, upper);
}
protected virtual bool CompareBetween(BetweenExpression a, BetweenExpression b)
{
return this.Compare(a.Expression, b.Expression)
&& this.Compare(a.Lower, b.Lower)
&& this.Compare(a.Upper, b.Upper);
}
