Streamable.SelectByKey Method
Definition
Important
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Overloads
| SelectByKey<TKey,TPayload,TResult>(IStreamable<TKey,TPayload>, Expression<Func<Int64,TKey,TPayload,TResult>>) |
Performs a project over a streamable, relative to the grouping key. |
| SelectByKey<TKey,TPayload,TResult>(IStreamable<TKey,TPayload>, Expression<Func<TKey,TPayload,TResult>>) |
Performs a project over a streamable, relative to the grouping key. |
SelectByKey<TKey,TPayload,TResult>(IStreamable<TKey,TPayload>, Expression<Func<Int64,TKey,TPayload,TResult>>)
Performs a project over a streamable, relative to the grouping key.
public static Microsoft.StreamProcessing.IStreamable<TKey,TResult> SelectByKey<TKey,TPayload,TResult> (this Microsoft.StreamProcessing.IStreamable<TKey,TPayload> source, System.Linq.Expressions.Expression<Func<long,TKey,TPayload,TResult>> selector);static member SelectByKey : Microsoft.StreamProcessing.IStreamable<'Key, 'Payload> * System.Linq.Expressions.Expression<Func<int64, 'Key, 'Payload, 'Result>> -> Microsoft.StreamProcessing.IStreamable<'Key, 'Result><Extension()>
Public Function SelectByKey(Of TKey, TPayload, TResult) (source As IStreamable(Of TKey, TPayload), selector As Expression(Of Func(Of Long, TKey, TPayload, TResult))) As IStreamable(Of TKey, TResult)Type Parameters
- TKey
- TPayload
- TResult
Parameters
- source
- IStreamable<TKey,TPayload>
Source streamable for the operation.
- selector
- Expression<Func<Int64,TKey,TPayload,TResult>>
Expression over StartTime, Key, and Payload, that returns the new Payload.
Returns
IStreamable<TKey,TResult>
Applies to
SelectByKey<TKey,TPayload,TResult>(IStreamable<TKey,TPayload>, Expression<Func<TKey,TPayload,TResult>>)
Performs a project over a streamable, relative to the grouping key.
public static Microsoft.StreamProcessing.IStreamable<TKey,TResult> SelectByKey<TKey,TPayload,TResult> (this Microsoft.StreamProcessing.IStreamable<TKey,TPayload> source, System.Linq.Expressions.Expression<Func<TKey,TPayload,TResult>> selector);static member SelectByKey : Microsoft.StreamProcessing.IStreamable<'Key, 'Payload> * System.Linq.Expressions.Expression<Func<'Key, 'Payload, 'Result>> -> Microsoft.StreamProcessing.IStreamable<'Key, 'Result><Extension()>
Public Function SelectByKey(Of TKey, TPayload, TResult) (source As IStreamable(Of TKey, TPayload), selector As Expression(Of Func(Of TKey, TPayload, TResult))) As IStreamable(Of TKey, TResult)Type Parameters
- TKey
- TPayload
- TResult
Parameters
- source
- IStreamable<TKey,TPayload>
Source streamable for the operation.
- selector
- Expression<Func<TKey,TPayload,TResult>>
Expression over Key and Payload, that returns the new Payload.
Returns
IStreamable<TKey,TResult>