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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
namespace Signum.Engine.Linq
{
/// <summary>
/// returns the set of all aliases produced by a query source
/// </summary>
internal class AggregateFinder : DbExpressionVisitor
{
bool hasAggregates = false;
private AggregateFinder() { }
public static bool HasAggregates(Expression source)
{
AggregateFinder ap = new AggregateFinder();
ap.Visit(source);
return ap.hasAggregates;
}
protected override Expression VisitAggregate(AggregateExpression aggregate)
{
hasAggregates = true;
return base.VisitAggregate(aggregate);
}
}
}
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I'm Computer Scientist, one of the founders of Signum Software, and the lead developer behind Signum Framework.
www.signumframework.com
I love programming in C#, Linq, Compilers, Algorithms, Functional Programming, Computer Graphics, Maths...