protected override bool CanGenerateColumnar()
{
var typeOfTKey = typeof(TKey);
var typeOfTInput = typeof(TInput);
var typeOfTOutput = typeof(TOutput);
if (!typeOfTInput.CanRepresentAsColumnar())
{
return(false);
}
if (typeOfTKey.GetPartitionType() != null)
{
return(false);
}
if (!typeOfTOutput.CanRepresentAsColumnar())
{
return(false);
}
var lookupKey = CacheKey.Create(this.apt, GetAggregateFunctionsHashCode(this.Aggregate));
var tuple = cachedPipes.GetOrAdd(lookupKey, key => AggregateTemplate.Generate(this, this.apt));
var generatedPipeType = tuple.Item1;
this.errorMessages = tuple.Item2;
return(generatedPipeType != null);
}
private Tuple <Type, string> GetPipe()
{
var lookupKey = CacheKey.Create(this.apt, GetAggregateFunctionsHashCode(this.Aggregate));
var tuple = cachedPipes.GetOrAdd(lookupKey, key => AggregateTemplate.Generate(this, this.apt));
return(tuple);
}