protected AggregateSubqueryExpression UpdateAggregateSubquery(AggregateSubqueryExpression aggregate, ScalarExpression subquery)
{
if (subquery != aggregate.AggregateAsSubquery)
{
return new AggregateSubqueryExpression(aggregate.GroupByAlias, aggregate.AggregateInGroupSelect, subquery);
}
return aggregate;
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
Expression mapped;
if (this.map.TryGetValue(aggregate, out mapped))
{
return mapped;
}
return this.Visit(aggregate.AggregateAsSubquery);
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression node)
{
Expression mapped;
if (_map.TryGetValue(node, out mapped))
{
return mapped;
}
return Visit(node.AggregateAsSubquery);
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
Expression mapped;
if (this.map.TryGetValue(aggregate, out mapped))
{
return(mapped);
}
return(this.Visit(aggregate.AggregateAsSubquery));
}
protected virtual Expression VisitAggregateSubquery(AggregateSubqueryExpression node)
{
Expression e = Visit(node.AggregateAsSubquery);
var subquery = (ScalarExpression) e;
if (subquery != node.AggregateAsSubquery)
{
return new AggregateSubqueryExpression(node.GroupByAlias, node.AggregateInGroupSelect, subquery);
}
return node;
}
protected virtual Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
Expression e = this.Visit(aggregate.AggregateAsSubquery);
System.Diagnostics.Debug.Assert(e is ScalarExpression);
ScalarExpression subquery = (ScalarExpression)e;
if (subquery != aggregate.AggregateAsSubquery)
{
return new AggregateSubqueryExpression(aggregate.GroupByAlias, aggregate.AggregateInGroupSelect, subquery);
}
return aggregate;
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
this.aggregates.Add(aggregate);
return(base.VisitAggregateSubquery(aggregate));
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
Expression mapped;
return(map.TryGetValue(aggregate, out mapped) ? mapped : Visit(aggregate.AggregateAsSubquery));
}
protected virtual bool CompareAggregateSubquery(AggregateSubqueryExpression a, AggregateSubqueryExpression b)
{
return this.Compare(a.AggregateAsSubquery, b.AggregateAsSubquery)
&& this.Compare(a.AggregateInGroupSelect, b.AggregateInGroupSelect)
&& a.GroupByAlias == b.GroupByAlias;
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
this.aggregates.Add(aggregate);
return base.VisitAggregateSubquery(aggregate);
}
// protected override fields
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression node)
{
_aggregates.Add(node);
return base.VisitAggregateSubquery(node);
}
protected virtual Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregate)
{
var subquery = (ScalarExpression) this.Visit(aggregate.AggregateAsSubquery);
return this.UpdateAggregateSubquery(aggregate, subquery);
}
protected override Expression VisitAggregateSubquery(AggregateSubqueryExpression aggregateSubquery)
{
return(aggregateSubquery);
}
protected virtual bool CompareAggregateSubquery(AggregateSubqueryExpression a, AggregateSubqueryExpression b)
{
return(Compare(a.AggregateAsSubquery, b.AggregateAsSubquery) &&
Compare(a.AggregateInGroupSelect, b.AggregateInGroupSelect) &&
a.GroupByAlias == b.GroupByAlias);
}
