private static IProcessBuilder GetBuilder(IEtlContext context, IMemoryAggregationOperation op, ITypeConverter converter)
{
var builder = ProcessBuilder.Fluent
.ReadFrom(TestData.Person(context));
if (converter != null)
{
builder = builder
.ConvertValue(new InPlaceConvertMutator(context)
{
Columns = new[] { "age", "height" },
TypeConverter = converter,
});
}
return(builder
.Aggregate(new MemoryAggregationMutator(context)
{
KeyGenerator = row => row.GenerateKey("name"),
FixColumns = new()
{
private static IProcessBuilder GetBuilder(ITopic topic, IMemoryAggregationOperation op, ITypeConverter converter)
{
var builder = ProcessBuilder.Fluent
.ReadFrom(TestData.PersonSortedByName(topic));
if (converter != null)
{
builder = builder
.ConvertValue(new InPlaceConvertMutator(topic, null)
{
Columns = new[] { "age", "height" },
TypeConverter = converter,
});
}
return(builder
.AggregateOrdered(new SortedMemoryAggregationMutator(topic, null)
{
KeyGenerator = row => row.GenerateKey("name"),
FixColumns = ColumnCopyConfiguration.StraightCopy("name"),
Operation = op,
}));
}
public MemoryAggregationException(AbstractMemoryAggregationMutator mutator, IMemoryAggregationOperation operation, List <IReadOnlySlimRow> group, Exception innerException)
: base(mutator, "error raised during the execution of an in-memory aggregation", innerException)
{
Data.Add("Operation", operation.GetType().GetFriendlyTypeName());
Data.Add("Group", string.Join("\n", group.Select(x => x.ToDebugString())));
}