SqlExpressionFactory.Case Metodo
Definizione
Importante
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Overload
Case(SqlExpression, CaseWhenClause[]) |
Obsoleti.
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL. |
Case(IReadOnlyList<CaseWhenClause>, SqlExpression) |
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL. |
Case(SqlExpression, SqlExpression, CaseWhenClause[]) | |
Case(SqlExpression, IReadOnlyList<CaseWhenClause>, SqlExpression) |
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL. |
Case(SqlExpression, CaseWhenClause[])
Attenzione
Use overload which takes IReadOnlyList instead of params
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, params Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] whenClauses);
[System.Obsolete("Use overload which takes IReadOnlyList instead of params")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, params Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] whenClauses);
abstract member Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
override this.Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
[<System.Obsolete("Use overload which takes IReadOnlyList instead of params")>]
abstract member Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
override this.Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
Public Overridable Function Case (operand As SqlExpression, ParamArray whenClauses As CaseWhenClause()) As CaseExpression
Parametri
- operand
- SqlExpression
Espressione da confrontare con Test in whenClauses
.
- whenClauses
- CaseWhenClause[]
Elenco di CaseWhenClause da cui confrontare e ottenere i risultati.
Restituisce
Espressione che rappresenta un'istruzione CASE in un albero SQL.
Implementazioni
- Attributi
Si applica a
Case(IReadOnlyList<CaseWhenClause>, SqlExpression)
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? elseResult);
abstract member Case : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
override this.Case : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
Public Overridable Function Case (whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As SqlExpression) As CaseExpression
Parametri
- whenClauses
- IReadOnlyList<CaseWhenClause>
Elenco di CaseWhenClause da cui valutare la condizione e ottenere il risultato.
- elseResult
- SqlExpression
Valore da restituire se non corrisponde, se disponibile whenClauses
.
Restituisce
Espressione che rappresenta un'istruzione CASE in un albero SQL.
Implementazioni
Si applica a
Case(SqlExpression, SqlExpression, CaseWhenClause[])
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult, params Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] whenClauses);
abstract member Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
override this.Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
Public Overridable Function Case (operand As SqlExpression, elseResult As SqlExpression, ParamArray whenClauses As CaseWhenClause()) As CaseExpression
Parametri
- operand
- SqlExpression
- elseResult
- SqlExpression
- whenClauses
- CaseWhenClause[]
Restituisce
Si applica a
Case(SqlExpression, IReadOnlyList<CaseWhenClause>, SqlExpression)
Crea un nuovo CaseExpression oggetto che rappresenta un'istruzione CASE in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression Case (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? elseResult);
abstract member Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
override this.Case : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression
Public Overridable Function Case (operand As SqlExpression, whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As SqlExpression) As CaseExpression
Parametri
- operand
- SqlExpression
Espressione da confrontare con Test in whenClauses
.
- whenClauses
- IReadOnlyList<CaseWhenClause>
Elenco di CaseWhenClause da cui confrontare e ottenere i risultati.
- elseResult
- SqlExpression
Valore da restituire se non corrisponde, se disponibile whenClauses
.
Restituisce
Espressione che rappresenta un'istruzione CASE in un albero SQL.