SelectExpression.GenerateWeakEntityProjectionExpression 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Query.SqlExpressions

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v6.0.0

Source:

SelectExpression.cs

这是一个支持 Entity Framework Core 基础结构的内部 API，不受与公共 API 相同的兼容性标准的约束。 可能会在任何版本中更改或删除它，恕不另行通知。 应仅在代码中直接使用它，并且非常谨慎，并且知道在更新到新的 Entity Framework Core 版本时，这样做可能会导致应用程序失败。

[Microsoft.EntityFrameworkCore.Infrastructure.EntityFrameworkInternal]
public Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression? GenerateWeakEntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, Microsoft.EntityFrameworkCore.Metadata.ITableBase table, string? columnName, Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase tableExpressionBase, bool nullable = true);

[<Microsoft.EntityFrameworkCore.Infrastructure.EntityFrameworkInternal>]
member this.GenerateWeakEntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * Microsoft.EntityFrameworkCore.Metadata.ITableBase * string * Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase * bool -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression

Public Function GenerateWeakEntityProjectionExpression (entityType As IEntityType, table As ITableBase, columnName As String, tableExpressionBase As TableExpressionBase, Optional nullable As Boolean = true) As EntityProjectionExpression

参数

entityType

IEntityType

table

ITableBase

columnName

String

tableExpressionBase

TableExpressionBase

nullable

Boolean

返回

EntityProjectionExpression

属性

EntityFrameworkInternalAttribute