ISqlExpressionFactory.Function Metode

Referensi

Definisi

Ruang nama:: Microsoft.EntityFrameworkCore.Query

Rakitan:: Microsoft.EntityFrameworkCore.Relational.dll

Paket:: Microsoft.EntityFrameworkCore.Relational v3.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v3.1.0

Paket:: Microsoft.EntityFrameworkCore.Relational v5.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v6.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v7.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v8.0.0

Penting

Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.

Overload

Function(String, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(SqlExpression, String, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(String, String, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(SqlExpression, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(String, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	Kedaluwarsa. Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(String, String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.
Function(SqlExpression, String, IEnumerable<SqlExpression>, Boolean, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.

Function(String, Type, RelationalTypeMapping)

Perhatian

Use NiladicFunction method.

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

name: String

Nama fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

Function(SqlExpression, String, Type, RelationalTypeMapping)

Perhatian

Use NiladicFunction method.

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

instance: SqlExpression

Ekspresi tempat fungsi diterapkan.

name: String

Nama fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

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

Perhatian

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

Function(String, String, Type, RelationalTypeMapping)

Perhatian

Use NiladicFunction method.

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

schema: String

Skema di mana fungsi ditentukan.

name: String

Nama fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

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

Perhatian

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

instance: SqlExpression

Ekspresi tempat fungsi diterapkan.

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

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

Perhatian

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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

Parameter

schema: String

Skema di mana fungsi ditentukan.

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Atribut: ObsoleteAttribute

Berlaku untuk

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.

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.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 SqlFunctionExpression

Parameter

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

nullable: Boolean

Nilai bool yang menunjukkan apakah fungsi ini dapat mengembalikan null.

argumentsPropagateNullability: IEnumerable<Boolean>

Daftar nilai bool yang menunjukkan apakah argumen individual menyebarkan null ke hasil.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Berlaku untuk

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon SQL.

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.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 SqlFunctionExpression

Parameter

schema: String

Skema di mana fungsi ditentukan.

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

nullable: Boolean

Nilai bool yang menunjukkan apakah fungsi ini dapat mengembalikan null.

argumentsPropagateNullability: IEnumerable<Boolean>

Daftar nilai bool yang menunjukkan apakah argumen individual menyebarkan null ke hasil.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Berlaku untuk

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

Membuat baru SqlFunctionExpression yang mewakili panggilan fungsi di pohon 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, 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.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 SqlFunctionExpression

Parameter

instance: SqlExpression

Ekspresi tempat fungsi diterapkan.

name: String

Nama fungsi.

arguments: IEnumerable<SqlExpression>

Argumen fungsi.

nullable: Boolean

Nilai bool yang menunjukkan apakah fungsi ini dapat mengembalikan null.

instancePropagatesNullability: Boolean

Nilai yang menunjukkan apakah instans menyebarkan null ke hasil.

argumentsPropagateNullability: IEnumerable<Boolean>

Daftar nilai bool yang menunjukkan apakah argumen individual menyebarkan null ke hasil.

returnType: Type

Ekspresi Type .

typeMapping: RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlFunctionExpression

Ekspresi yang mewakili panggilan fungsi di pohon SQL.

Berlaku untuk

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