ForeignKeyIndexConvention.AreIndexedBy 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Metadata.Conventions

程序集:

Microsoft.EntityFrameworkCore.dll

包:

Microsoft.EntityFrameworkCore v9.0.0

Source:

ForeignKeyIndexConvention.cs

返回一个值，该值指示现有索引是否已涵盖给定属性。

protected virtual bool AreIndexedBy (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> properties, bool unique, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> coveringIndexProperties, bool coveringIndexUnique);

abstract member AreIndexedBy : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> * bool * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> * bool -> bool
override this.AreIndexedBy : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> * bool * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> * bool -> bool

Protected Overridable Function AreIndexedBy (properties As IReadOnlyList(Of IConventionProperty), unique As Boolean, coveringIndexProperties As IReadOnlyList(Of IConventionProperty), coveringIndexUnique As Boolean) As Boolean

参数

properties

IReadOnlyList<IConventionProperty>

要检查的属性。

unique

Boolean

要创建的索引是否应是唯一的。

coveringIndexProperties

IReadOnlyList<IConventionProperty>

现有索引的属性。

coveringIndexUnique

Boolean

现有索引是否唯一。

返回

Boolean

true 如果现有索引涵盖给定属性，则为 。