ISqlExpressionFactory.Function メソッド

定義

名前空間:: Microsoft.EntityFrameworkCore.Query

アセンブリ:: Microsoft.EntityFrameworkCore.Relational.dll

パッケージ:: Microsoft.EntityFrameworkCore.Relational v3.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v3.1.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v5.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v6.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v10.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v11.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v7.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v8.0.0

パッケージ:: Microsoft.EntityFrameworkCore.Relational v9.0.0

重要

一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。

オーバーロード

Name	説明
Function(String, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(SqlExpression, String, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(String, String, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(SqlExpression, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(String, String, IEnumerable<SqlExpression>, Type, RelationalTypeMapping)	古い. SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。
Function(String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。
Function(String, String, IEnumerable<SqlExpression>, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。
Function(SqlExpression, String, IEnumerable<SqlExpression>, Boolean, Boolean, IEnumerable<Boolean>, Type, RelationalTypeMapping)	SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。

Function(String, Type, RelationalTypeMapping)

注意事項

Use NiladicFunction method.

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

name: String

関数の名前です。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

Function(SqlExpression, String, Type, RelationalTypeMapping)

注意事項

Use NiladicFunction method.

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

instance: SqlExpression

関数が適用される式。

name: String

関数の名前です。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

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

注意事項

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

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

name: String

関数の名前です。

arguments: IEnumerable<SqlExpression>

関数の引数。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

Function(String, String, Type, RelationalTypeMapping)

注意事項

Use NiladicFunction method.

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

schema: String

関数が定義されているスキーマ。

name: String

関数の名前です。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

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

注意事項

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

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

instance: SqlExpression

関数が適用される式。

name: String

関数の名前です。

arguments: IEnumerable<SqlExpression>

関数の引数。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

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

注意事項

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

SQL ツリー内の関数呼び出しを表す新しい SqlFunctionExpression を作成します。

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

パラメーター

schema: String

関数が定義されているスキーマ。

name: String

関数の名前です。

arguments: IEnumerable<SqlExpression>

関数の引数。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

属性: ObsoleteAttribute

適用対象

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

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。

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

パラメーター

name: String

関数の名前です。

arguments: IEnumerable<SqlExpression>

関数の引数。

nullable: Boolean

この関数が null を返すことができるかどうかを示すブール値。

argumentsPropagateNullability: IEnumerable<Boolean>

個々の引数が null を結果に伝達するかどうかを示すブール値のリスト。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlExpression

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

適用対象

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

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。

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

パラメーター

schema: String

関数が定義されているスキーマ。

name: String

関数の名前です。

arguments: IEnumerable<SqlExpression>

関数の引数。

nullable: Boolean

この関数が null を返すことができるかどうかを示すブール値。

argumentsPropagateNullability: IEnumerable<Boolean>

個々の引数が null を結果に伝達するかどうかを示すブール値のリスト。

returnType: Type

式の Type 。

typeMapping: RelationalTypeMapping

式に関連付けられている RelationalTypeMapping 。

戻り値

SqlExpression

SqlFunctionExpression

SQL ツリー内の関数呼び出しを表す式。

適用対象

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

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

ソース:: ISqlExpressionFactory.cs

SQL ツリー内の関数呼び出しを表す新しい SqlExpression を作成します。

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