Queryable.AggregateBy Método

Referência

Definição

Namespace:: System.Linq

Assembly:: System.Linq.Queryable.dll

Importante

Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.

Sobrecargas

AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TKey,TAccumulate>>, Expression<Func<TAccumulate, TSource,TAccumulate>>, IEqualityComparer<TKey>)
AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, TAccumulate, Expression<Func<TAccumulate,TSource,TAccumulate>>, IEqualityComparer<TKey>)

AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TKey,TAccumulate>>, Expression<Func<TAccumulate, TSource,TAccumulate>>, IEqualityComparer<TKey>)

Origem:: Queryable.cs

public static System.Linq.IQueryable<System.Collections.Generic.KeyValuePair<TKey,TAccumulate>> AggregateBy<TSource,TKey,TAccumulate> (this System.Linq.IQueryable<TSource> source, System.Linq.Expressions.Expression<Func<TSource,TKey>> keySelector, System.Linq.Expressions.Expression<Func<TKey,TAccumulate>> seedSelector, System.Linq.Expressions.Expression<Func<TAccumulate,TSource,TAccumulate>> func, System.Collections.Generic.IEqualityComparer<TKey>? keyComparer = default);

static member AggregateBy : System.Linq.IQueryable<'Source> * System.Linq.Expressions.Expression<Func<'Source, 'Key>> * System.Linq.Expressions.Expression<Func<'Key, 'Accumulate>> * System.Linq.Expressions.Expression<Func<'Accumulate, 'Source, 'Accumulate>> * System.Collections.Generic.IEqualityComparer<'Key> -> System.Linq.IQueryable<System.Collections.Generic.KeyValuePair<'Key, 'Accumulate>>

<Extension()>
Public Function AggregateBy(Of TSource, TKey, TAccumulate) (source As IQueryable(Of TSource), keySelector As Expression(Of Func(Of TSource, TKey)), seedSelector As Expression(Of Func(Of TKey, TAccumulate)), func As Expression(Of Func(Of TAccumulate, TSource, TAccumulate)), Optional keyComparer As IEqualityComparer(Of TKey) = Nothing) As IQueryable(Of KeyValuePair(Of TKey, TAccumulate))

Parâmetros de tipo

TSource

TKey

TAccumulate

Parâmetros

source: IQueryable<TSource>

keySelector: Expression<Func<TSource,TKey>>

seedSelector: Expression<Func<TKey,TAccumulate>>

func: Expression<Func<TAccumulate,TSource,TAccumulate>>

keyComparer: IEqualityComparer<TKey>

Retornos

IQueryable<KeyValuePair<TKey,TAccumulate>>

Aplica-se a

.NET 9

Produto	Versões
.NET	9

AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, TAccumulate, Expression<Func<TAccumulate,TSource,TAccumulate>>, IEqualityComparer<TKey>)

Origem:: Queryable.cs

public static System.Linq.IQueryable<System.Collections.Generic.KeyValuePair<TKey,TAccumulate>> AggregateBy<TSource,TKey,TAccumulate> (this System.Linq.IQueryable<TSource> source, System.Linq.Expressions.Expression<Func<TSource,TKey>> keySelector, TAccumulate seed, System.Linq.Expressions.Expression<Func<TAccumulate,TSource,TAccumulate>> func, System.Collections.Generic.IEqualityComparer<TKey>? keyComparer = default);

static member AggregateBy : System.Linq.IQueryable<'Source> * System.Linq.Expressions.Expression<Func<'Source, 'Key>> * 'Accumulate * System.Linq.Expressions.Expression<Func<'Accumulate, 'Source, 'Accumulate>> * System.Collections.Generic.IEqualityComparer<'Key> -> System.Linq.IQueryable<System.Collections.Generic.KeyValuePair<'Key, 'Accumulate>>

<Extension()>
Public Function AggregateBy(Of TSource, TKey, TAccumulate) (source As IQueryable(Of TSource), keySelector As Expression(Of Func(Of TSource, TKey)), seed As TAccumulate, func As Expression(Of Func(Of TAccumulate, TSource, TAccumulate)), Optional keyComparer As IEqualityComparer(Of TKey) = Nothing) As IQueryable(Of KeyValuePair(Of TKey, TAccumulate))

Parâmetros de tipo

TSource

TKey

TAccumulate

Parâmetros

source: IQueryable<TSource>

keySelector: Expression<Func<TSource,TKey>>

seed: TAccumulate

func: Expression<Func<TAccumulate,TSource,TAccumulate>>

keyComparer: IEqualityComparer<TKey>

Retornos

IQueryable<KeyValuePair<TKey,TAccumulate>>

Aplica-se a

.NET 9

Produto	Versões
.NET	9

Compartilhar via

Queryable.AggregateBy Método

Definição

Sobrecargas

AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TKey,TAccumulate>>, Expression<Func<TAccumulate, TSource,TAccumulate>>, IEqualityComparer<TKey>)

Parâmetros de tipo

Parâmetros

Retornos

Aplica-se a

AggregateBy<TSource,TKey,TAccumulate>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, TAccumulate, Expression<Func<TAccumulate,TSource,TAccumulate>>, IEqualityComparer<TKey>)

Parâmetros de tipo

Parâmetros

Retornos

Aplica-se a

Recursos adicionais