ISqlExpressionFactory.Function Méthode

Définition

Espace de noms:: Microsoft.EntityFrameworkCore.Query

Assembly:: Microsoft.EntityFrameworkCore.Relational.dll

Package:: Microsoft.EntityFrameworkCore.Relational v3.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v3.1.0

Package:: Microsoft.EntityFrameworkCore.Relational v5.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v6.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v10.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v11.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v7.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v8.0.0

Package:: Microsoft.EntityFrameworkCore.Relational v9.0.0

Important

Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.

Surcharges

Nom	Description
Function(String, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(SqlExpression, String, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(String, String, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(SqlExpression, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(String, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Obsolète. Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.
Function(String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.
Function(String, String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.
Function(SqlExpression, String, IEnumerable<SqlExpression>, Boolean, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.

Function(String, Type, RelationalTypeMapping)

Attention

Use NiladicFunction method.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function(string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

[System.Obsolete("Use NiladicFunction method.")]
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function(string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

[System.Obsolete("Use NiladicFunction method.")]
public 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

[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public Function Function (name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

name: String

Nom de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(SqlExpression, String, Type, RelationalTypeMapping)

Attention

Use NiladicFunction method.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public 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 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 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

[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public Function Function (instance As SqlExpression, name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

instance: SqlExpression

Expression sur laquelle la fonction est appliquée.

name: String

Nom de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)

Attention

Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public 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 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 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

[<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

Public Function Function (name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(String, String, Type, RelationalTypeMapping)

Attention

Use NiladicFunction method.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function(string schema, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

[System.Obsolete("Use NiladicFunction method.")]
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Function(string schema, string name, Type returnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

[System.Obsolete("Use NiladicFunction method.")]
public 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

[<System.Obsolete("Use NiladicFunction method.")>]
abstract member Function : string * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public Function Function (schema As String, name As String, returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

schema: String

Schéma dans lequel la fonction est définie.

name: String

Nom de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(SqlExpression, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)

Attention

Use overload that explicitly specifies value for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public 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 value for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.")]
public 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 value for 'instancePropagatesNullability' and 'argumentsPropagateNullability' arguments.")]
public 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

[<System.Obsolete("Use overload that explicitly specifies value 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

Public Function Function (instance As SqlExpression, name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

instance: SqlExpression

Expression sur laquelle la fonction est appliquée.

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(String, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)

Attention

Use overload that explicitly specifies value for 'argumentsPropagateNullability' argument.

Crée un nouvel SqlFunctionExpression appel de fonction dans une arborescence SQL.

public 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 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 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

[<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

Public Function Function (schema As String, name As String, arguments As IEnumerable(Of SqlExpression), returnType As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Paramètres

schema: String

Schéma dans lequel la fonction est définie.

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

Attributs: ObsoleteAttribute

S’applique à

Function(String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression 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 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 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.SqlExpression

abstract member Function : string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public 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 SqlExpression

Public 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

Paramètres

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

nullable: Boolean

Valeur bool indiquant si cette fonction peut retourner null.

argumentsPropagateNullability: IEnumerable<Boolean>

Liste des valeurs bool indiquant si les arguments individuels propagent null en résultat.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlExpression

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

S’applique à

Function(String, String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression 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 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 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.SqlExpression

abstract member Function : string * string * seq<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression> * bool * seq<bool> * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public 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 SqlExpression

Public 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

Paramètres

schema: String

Schéma dans lequel la fonction est définie.

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

nullable: Boolean

Valeur bool indiquant si cette fonction peut retourner null.

argumentsPropagateNullability: IEnumerable<Boolean>

Liste des valeurs bool indiquant si les arguments individuels propagent null en résultat.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlExpression

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

S’applique à

Function(SqlExpression, String, IEnumerable<SqlExpression>, Boolean, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Source:: ISqlExpressionFactory.cs

Crée un nouvel SqlExpression appel de fonction dans une arborescence SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression 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 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 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.SqlExpression

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

Public 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 SqlExpression

Public 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

Paramètres

instance: SqlExpression

Expression sur laquelle la fonction est appliquée.

name: String

Nom de la fonction.

arguments: IEnumerable<SqlExpression>

Arguments de la fonction.

nullable: Boolean

Valeur bool indiquant si cette fonction peut retourner null.

instancePropagatesNullability: Boolean

Valeur indiquant si l’instance propage null en résultat.

argumentsPropagateNullability: IEnumerable<Boolean>

Liste des valeurs bool indiquant si les arguments individuels propagent null en résultat.

returnType: Type

De Type l’expression.

typeMapping: RelationalTypeMapping

Associé RelationalTypeMapping à l’expression.

Retours

SqlExpression

SqlFunctionExpression

Expression représentant un appel de fonction dans une arborescence SQL.

S’applique à

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