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DbFunctionAttribute Class
Definition
- Namespace:
- Microsoft.EntityFrameworkCore
- Assembly:
- Microsoft.EntityFrameworkCore.Abstractions.dll
- Assembly:
- Microsoft.EntityFrameworkCore.Relational.dll
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v10.0.0
- Package:
- Microsoft.EntityFrameworkCore.Relational v2.0.3
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v2.1.11
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v2.2.6
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v3.0.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v3.1.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v5.0.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v6.0.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v7.0.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v8.0.0
- Package:
- Microsoft.EntityFrameworkCore.Abstractions v9.0.0
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
- Source:
- DbFunctionAttribute.cs
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Maps a static CLR method to a database function so that the CLR method may be used in LINQ queries. By convention uses the .NET method name as name of the database function and the default schema.
[System.AttributeUsage(System.AttributeTargets.Method)]
[System.Runtime.CompilerServices.Nullable(0)]
public class DbFunctionAttribute : Attribute[System.AttributeUsage(System.AttributeTargets.Method)]
public class DbFunctionAttribute : Attribute[<System.AttributeUsage(System.AttributeTargets.Method)>]
[<System.Runtime.CompilerServices.Nullable(0)>]
type DbFunctionAttribute = class
inherit Attribute[<System.AttributeUsage(System.AttributeTargets.Method)>]
type DbFunctionAttribute = class
inherit AttributePublic Class DbFunctionAttribute
Inherits Attribute- Inheritance
-
DbFunctionAttribute
- Attributes
Remarks
See Database functions for more information and examples.
Constructors
| Name | Description |
|---|---|
| DbFunctionAttribute() |
Initializes a new instance of the DbFunctionAttribute class. |
| DbFunctionAttribute(String, String) |
Initializes a new instance of the DbFunctionAttribute class. |
Properties
| Name | Description |
|---|---|
| FunctionName |
The name of the function in the database. |
| IsBuiltIn |
The value indicating whether the database function is built-in or not. |
| IsNullable |
The value indicating whether the database function can return null result or not. |
| IsNullableHasValue |
Checks whether IsNullable has been explicitly set to a value. |
| Name |
The name of the function in the database. |
| Schema |
The schema of the function in the database. |
Applies to
Entity Framework
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