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SelectExpression.AddLeftJoin Yöntem

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Tanım

Ad Alanı:
Microsoft.EntityFrameworkCore.Query.SqlExpressions
Bütünleştirilmiş Kod:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Aşırı Yüklemeler

AddLeftJoin(SelectExpression, SqlExpression, Type)
Geçersiz.

LEFT JOIN kullanarak verileni SelectExpression tablo kaynaklarına ekler.
AddLeftJoin(SelectExpression, SqlExpression)

LEFT JOIN kullanarak verileni SelectExpression tablo kaynaklarına ekler.
AddLeftJoin(ShapedQueryExpression, SqlExpression, Expression)

LEFT JOIN kullanarak verilen sorgu ifadesini ShapedQueryExpression tablo kaynaklarına ekler ve şekillendiricileri birleştirir.

AddLeftJoin(SelectExpression, SqlExpression, Type)

Dikkat

Use the other overloads.

LEFT JOIN kullanarak verileni SelectExpression tablo kaynaklarına ekler.

public void AddLeftJoin (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression innerSelectExpression, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression joinPredicate, Type transparentIdentifierType);
[System.Obsolete("Use the other overloads.")]
public void AddLeftJoin (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression innerSelectExpression, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression joinPredicate, Type transparentIdentifierType);
[System.Obsolete("Use the other overloads.")]
public void AddLeftJoin (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression innerSelectExpression, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression joinPredicate, Type? transparentIdentifierType);
member this.AddLeftJoin : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type -> unit
[<System.Obsolete("Use the other overloads.")>]
member this.AddLeftJoin : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type -> unit
Public Sub AddLeftJoin (innerSelectExpression As SelectExpression, joinPredicate As SqlExpression, transparentIdentifierType As Type)

Parametreler

innerSelectExpression
SelectExpression

Katılmak için A SelectExpression .

joinPredicate
SqlExpression

Birleştirme için kullanılacak bir koşul.

transparentIdentifierType
Type

Birleştirme gerçekleştirildikten sonra oluşturulan sonucun türü.

Öznitelikler
ObsoleteAttribute

Şunlara uygulanır

AddLeftJoin(SelectExpression, SqlExpression)

LEFT JOIN kullanarak verileni SelectExpression tablo kaynaklarına ekler.

public void AddLeftJoin (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression innerSelectExpression, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression joinPredicate);
member this.AddLeftJoin : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> unit
Public Sub AddLeftJoin (innerSelectExpression As SelectExpression, joinPredicate As SqlExpression)

Parametreler

innerSelectExpression
SelectExpression

Katılmak için A SelectExpression .

joinPredicate
SqlExpression

Birleştirme için kullanılacak bir koşul.

Şunlara uygulanır

AddLeftJoin(ShapedQueryExpression, SqlExpression, Expression)

LEFT JOIN kullanarak verilen sorgu ifadesini ShapedQueryExpression tablo kaynaklarına ekler ve şekillendiricileri birleştirir.

public System.Linq.Expressions.Expression AddLeftJoin (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression innerSource, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression joinPredicate, System.Linq.Expressions.Expression outerShaper);
member this.AddLeftJoin : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Linq.Expressions.Expression -> System.Linq.Expressions.Expression
Public Function AddLeftJoin (innerSource As ShapedQueryExpression, joinPredicate As SqlExpression, outerShaper As Expression) As Expression

Parametreler

innerSource
ShapedQueryExpression

Katılmak için A ShapedQueryExpression .

joinPredicate
SqlExpression

Birleştirme için kullanılacak bir koşul.

outerShaper
Expression

Dış şekillendirici için bir ifade.

Döndürülenler

Expression

Bu birleştirmenin sonucunu şekillendiren bir ifade.

Şunlara uygulanır