SelectExpression.AddLeftJoin Metodo
Definizione
Importante
Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.
Overload
| AddLeftJoin(SelectExpression, SqlExpression, Type) |
Obsoleti.
Aggiunge l'oggetto specificato SelectExpression alle origini di tabella usando LEFT JOIN. |
| AddLeftJoin(SelectExpression, SqlExpression) |
Aggiunge l'oggetto specificato SelectExpression alle origini di tabella usando LEFT JOIN. |
| AddLeftJoin(ShapedQueryExpression, SqlExpression, Expression) |
Aggiunge l'espressione di query dell'oggetto specificato ShapedQueryExpression alle origini di tabella usando LEFT JOIN e combinare i shaper. |
AddLeftJoin(SelectExpression, SqlExpression, Type)
Attenzione
Use the other overloads.
Aggiunge l'oggetto specificato SelectExpression alle origini di tabella usando LEFT JOIN.
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 -> unitPublic Sub AddLeftJoin (innerSelectExpression As SelectExpression, joinPredicate As SqlExpression, transparentIdentifierType As Type)Parametri
- innerSelectExpression
- SelectExpression
Oggetto SelectExpression con cui partecipare.
- joinPredicate
- SqlExpression
Predicato da usare per il join.
- transparentIdentifierType
- Type
Tipo del risultato generato dopo l'esecuzione del join.
- Attributi
Si applica a
AddLeftJoin(SelectExpression, SqlExpression)
Aggiunge l'oggetto specificato SelectExpression alle origini di tabella usando LEFT JOIN.
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 -> unitPublic Sub AddLeftJoin (innerSelectExpression As SelectExpression, joinPredicate As SqlExpression)Parametri
- innerSelectExpression
- SelectExpression
Oggetto SelectExpression con cui partecipare.
- joinPredicate
- SqlExpression
Predicato da usare per il join.
Si applica a
AddLeftJoin(ShapedQueryExpression, SqlExpression, Expression)
Aggiunge l'espressione di query dell'oggetto specificato ShapedQueryExpression alle origini di tabella usando LEFT JOIN e combinare i shaper.
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.ExpressionPublic Function AddLeftJoin (innerSource As ShapedQueryExpression, joinPredicate As SqlExpression, outerShaper As Expression) As ExpressionParametri
- innerSource
- ShapedQueryExpression
Oggetto ShapedQueryExpression con cui partecipare.
- joinPredicate
- SqlExpression
Predicato da usare per il join.
- outerShaper
- Expression
Espressione per lo shaper esterno.
Restituisce
Espressione che forma il risultato di questo join.
