SqlNullabilityProcessor.Visit Metodo

Definizione

Spazio dei nomi:: Microsoft.EntityFrameworkCore.Query

Assembly:: Microsoft.EntityFrameworkCore.Relational.dll

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v10.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v11.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v5.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v6.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v7.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v8.0.0

Pacchetto:: Microsoft.EntityFrameworkCore.Relational v9.0.0

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

Nome	Descrizione
Visit(SqlExpression, Boolean, Boolean)	Visita un SqlExpression oggetto e calcola il relativo valore Nullbility.
Visit(SqlExpression, Boolean)	Visita un SqlExpression oggetto e calcola il relativo valore Nullbility.
Visit(SelectExpression)	Visita un oggetto SelectExpression.
Visit(TableExpressionBase)	Visita un oggetto TableExpressionBase.
Visit(SelectExpression, Boolean)	Visita un oggetto SelectExpression.

Visit(SqlExpression, Boolean, Boolean)

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Visita un SqlExpression oggetto e calcola il relativo valore Nullbility.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? sqlExpression, bool allowOptimizedExpansion, out bool nullable);

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression, bool allowOptimizedExpansion, out bool nullable);

override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

abstract member Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function Visit (sqlExpression As SqlExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parametri

sqlExpression: SqlExpression

Espressione sql da visitare.

allowOptimizedExpansion: Boolean

Valore bool che indica se è consentita l'espansione ottimizzata che considera il valore Null come valore false.

nullable: Boolean

Valore bool che indica se l'espressione sql è nullable.

Valori restituiti

SqlExpression

Espressione sql ottimizzata.

Si applica a

Visit(SqlExpression, Boolean)

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Visita un SqlExpression oggetto e calcola il relativo valore Nullbility.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? sqlExpression, out bool nullable);

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression, out bool nullable);

override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

abstract member Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function Visit (sqlExpression As SqlExpression, ByRef nullable As Boolean) As SqlExpression

Parametri

sqlExpression: SqlExpression

Espressione sql da visitare.

nullable: Boolean

Valore bool che indica se l'espressione sql è nullable.

Valori restituiti

SqlExpression

Espressione sql ottimizzata.

Si applica a

Visit(SelectExpression)

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Visita un oggetto SelectExpression.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression selectExpression);

abstract member Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression
override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Protected Overridable Function Visit (selectExpression As SelectExpression) As SelectExpression

Parametri

selectExpression: SelectExpression

Espressione di selezione da visitare.

Valori restituiti

SelectExpression

Espressione select ottimizzata.

Si applica a

Visit(TableExpressionBase)

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Visita un oggetto TableExpressionBase.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase tableExpressionBase);

abstract member Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase
override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase

Protected Overridable Function Visit (tableExpressionBase As TableExpressionBase) As TableExpressionBase

Parametri

tableExpressionBase: TableExpressionBase

Base dell'espressione di tabella da visitare.

Valori restituiti

TableExpressionBase

Base di espressioni di tabella ottimizzate.

Si applica a

Visit(SelectExpression, Boolean)

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Origine:: SqlNullabilityProcessor.cs

Visita un oggetto SelectExpression.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression selectExpression, bool visitProjection = true);

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression Visit(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression selectExpression, bool visitProjection);

override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

abstract member Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression
override this.Visit : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression

Protected Overridable Function Visit (selectExpression As SelectExpression, Optional visitProjection As Boolean = true) As SelectExpression

Protected Overridable Function Visit (selectExpression As SelectExpression, visitProjection As Boolean) As SelectExpression

Parametri

selectExpression: SelectExpression

Espressione di selezione da visitare.

visitProjection: Boolean

Consente di saltare la visita alla proiezione, per quando verrà visitato all'esterno.

Valori restituiti

SelectExpression

Espressione select ottimizzata.

Si applica a

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