public static List <CorrelatedExpression> Gather(Expression node)
{
var gatherer = new AccumulatorGatherer();
gatherer.Visit(node);
return(gatherer._accumulators);
}
protected internal override Expression VisitProjection(ProjectionExpression node)
{
_lookup = AccumulatorGatherer.Gather(node.Source).ToLookup(x => x.CorrelationId);
return(base.VisitProjection(node));
}
protected internal override Expression VisitPipeline(PipelineExpression node)
{
_accumulatorLookup = AccumulatorGatherer.Gather(node.Source).ToLookup(x => x.CorrelationId);
return(base.VisitPipeline(node));
}
public static List<CorrelatedAccumulatorExpression> Gather(Expression node)
{
var gatherer = new AccumulatorGatherer();
gatherer.Visit(node);
return gatherer._accumulators;
}
