RelationalGroupByResultExpression 构造函数

定义

命名空间:

Microsoft.EntityFrameworkCore.Query

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v8.0.0

创建 RelationalGroupByResultExpression 类的新实例。

public RelationalGroupByResultExpression (System.Linq.Expressions.Expression keyIdentifier, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer> keyIdentifierValueComparers, System.Linq.Expressions.Expression keyShaper, System.Linq.Expressions.Expression elementShaper);

new Microsoft.EntityFrameworkCore.Query.RelationalGroupByResultExpression : System.Linq.Expressions.Expression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer> * System.Linq.Expressions.Expression * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.RelationalGroupByResultExpression

Public Sub New (keyIdentifier As Expression, keyIdentifierValueComparers As IReadOnlyList(Of ValueComparer), keyShaper As Expression, elementShaper As Expression)

参数

keyIdentifier

Expression

父元素的标识符。

keyIdentifierValueComparers

IReadOnlyList<ValueComparer>

用于比较父标识符的值比较器的列表。

keyShaper

Expression

用于创建集合的各个元素的表达式。

elementShaper

Expression

用于创建集合的各个元素的表达式。