SqlExpressionFactory.Function 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
Function(String, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)
Attenzione
Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string? schema, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")>]
abstract member Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (schema As String, name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- schema
- String
Schema in cui viene definita la funzione.
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi
Si applica a
Function(String, String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string? schema, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (schema As String, name As String, arguments As IEnumerable(Of SqlExpression), nullable As Boolean, argumentsPropagateNullability As IEnumerable(Of Boolean), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- schema
- String
Schema in cui viene definita la funzione.
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- nullable
- Boolean
Valore bool che indica se questa funzione può restituire null.
- argumentsPropagateNullability
- IEnumerable<Boolean>
Elenco di valori bool che indica se i singoli argomenti propagano null al risultato.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
Si applica a
Function(String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (name As String, arguments As IEnumerable(Of SqlExpression), nullable As Boolean, argumentsPropagateNullability As IEnumerable(Of Boolean), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- nullable
- Boolean
Valore bool che indica se questa funzione può restituire null.
- argumentsPropagateNullability
- IEnumerable<Boolean>
Elenco di valori bool che indica se i singoli argomenti propagano null al risultato.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
Si applica a
Function(SqlExpression, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)
Attenzione
Use overload that explicitly specifies values for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies values for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies values for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use overload that explicitly specifies values for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.")>]
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (instance As SqlExpression, name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- instance
- SqlExpression
Espressione su cui viene applicata la funzione.
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi
Si applica a
Function(SqlExpression, String, IEnumerable<SqlExpression>, Boolean, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, bool instancePropagatesNullability, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, bool nullable, bool instancePropagatesNullability, System.Collections.Generic.IEnumerable<bool> argumentsPropagateNullability, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (instance As SqlExpression, name As String, arguments As IEnumerable(Of SqlExpression), nullable As Boolean, instancePropagatesNullability As Boolean, argumentsPropagateNullability As IEnumerable(Of Boolean), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- instance
- SqlExpression
Espressione su cui viene applicata la funzione.
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- nullable
- Boolean
Valore bool che indica se questa funzione può restituire null.
- instancePropagatesNullability
- Boolean
Valore che indica se l'istanza propaga null al risultato.
- argumentsPropagateNullability
- IEnumerable<Boolean>
Elenco di valori bool che indica se i singoli argomenti propagano null al risultato.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
Si applica a
Function(String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)
Attenzione
Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, System.Collections.Generic.IEnumerable<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> arguments, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.")>]
abstract member Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- name
- String
Nome della funzione.
- arguments
- IEnumerable<SqlExpression>
Argomenti della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi
Si applica a
Function(SqlExpression, String, Type, RelationalTypeMapping)
Attenzione
Use NiladicFunction method.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression instance, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (instance As SqlExpression, name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- instance
- SqlExpression
Espressione su cui viene applicata la funzione.
- name
- String
Nome della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi
Si applica a
Function(String, Type, RelationalTypeMapping)
Attenzione
Use NiladicFunction method.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- name
- String
Nome della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi
Si applica a
Function(String, String, Type, RelationalTypeMapping)
Attenzione
Use NiladicFunction method.
Crea un nuovo SqlFunctionExpression oggetto che rappresenta una chiamata di funzione in un albero SQL.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
[System.Obsolete("Use NiladicFunction method.")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function (string schema, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Function : string * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : string * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Function : string * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Overridable Function Function (schema As String, name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression
Parametri
- schema
- String
Schema in cui viene definita la funzione.
- name
- String
Nome della funzione.
- typeMapping
- RelationalTypeMapping
Oggetto RelationalTypeMapping associato all'espressione.
Restituisce
Espressione che rappresenta una chiamata di funzione in un albero SQL.
Implementazioni
- Attributi