Streamable.GroupBy<TOuterKey,TPayload,TInnerKey> Method
Definition
Important
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Needed to make the comprehension syntax happy. Consider using GroupApply instead.
public static Microsoft.StreamProcessing.IMapDefinition<TOuterKey,TPayload,TPayload,TInnerKey,TPayload> GroupBy<TOuterKey,TPayload,TInnerKey> (this Microsoft.StreamProcessing.IStreamable<TOuterKey,TPayload> source, System.Linq.Expressions.Expression<Func<TPayload,TInnerKey>> keySelector);static member GroupBy : Microsoft.StreamProcessing.IStreamable<'OuterKey, 'Payload> * System.Linq.Expressions.Expression<Func<'Payload, 'InnerKey>> -> Microsoft.StreamProcessing.IMapDefinition<'OuterKey, 'Payload, 'Payload, 'InnerKey, 'Payload><Extension()>
Public Function GroupBy(Of TOuterKey, TPayload, TInnerKey) (source As IStreamable(Of TOuterKey, TPayload), keySelector As Expression(Of Func(Of TPayload, TInnerKey))) As IMapDefinition(Of TOuterKey, TPayload, TPayload, TInnerKey, TPayload)Type Parameters
- TOuterKey
- TPayload
- TInnerKey
Parameters
- source
- IStreamable<TOuterKey,TPayload>
- keySelector
- Expression<Func<TPayload,TInnerKey>>
Returns
IMapDefinition<TOuterKey,TPayload,TPayload,TInnerKey,TPayload>