QueryableMethodTranslatingExpressionVisitor.TranslateSelectMany 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Query

程序集:

Microsoft.EntityFrameworkCore.dll

程序包:

Microsoft.EntityFrameworkCore v10.0.0

重载

名称	说明
TranslateSelectMany(ShapedQueryExpression, LambdaExpression, LambdaExpression)	转换 SelectMany<TSource,TCollection,TResult>(IQueryable<TSource>, Expression<Func<TSource, IEnumerable<TCollection>>>, Expression<Func<TSource,TCollection, TResult>>) 给定源上的方法。
TranslateSelectMany(ShapedQueryExpression, LambdaExpression)	转换 SelectMany<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,IEnumerable<TResult>>>) 给定源上的方法。

TranslateSelectMany(ShapedQueryExpression, LambdaExpression, LambdaExpression)

Source:

QueryableMethodTranslatingExpressionVisitor.cs

转换 SelectMany<TSource,TCollection,TResult>(IQueryable<TSource>, Expression<Func<TSource, IEnumerable<TCollection>>>, Expression<Func<TSource,TCollection, TResult>>) 给定源上的方法。

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateSelectMany(Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.LambdaExpression collectionSelector, System.Linq.Expressions.LambdaExpression resultSelector);

abstract member TranslateSelectMany : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.LambdaExpression * System.Linq.Expressions.LambdaExpression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression

Protected MustOverride Function TranslateSelectMany (source As ShapedQueryExpression, collectionSelector As LambdaExpression, resultSelector As LambdaExpression) As ShapedQueryExpression

参数

source

ShapedQueryExpression

对其应用运算符的形状查询。

collectionSelector

LambdaExpression

调用中提供的集合选择器。

resultSelector

LambdaExpression

调用中提供的结果选择器。

返回

ShapedQueryExpression

翻译后的形状查询。

TranslateSelectMany(ShapedQueryExpression, LambdaExpression)

Source:

QueryableMethodTranslatingExpressionVisitor.cs

转换 SelectMany<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,IEnumerable<TResult>>>) 给定源上的方法。

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateSelectMany(Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.LambdaExpression selector);

abstract member TranslateSelectMany : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.LambdaExpression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression

Protected MustOverride Function TranslateSelectMany (source As ShapedQueryExpression, selector As LambdaExpression) As ShapedQueryExpression

参数

source

ShapedQueryExpression

对其应用运算符的形状查询。

selector

LambdaExpression

调用中提供的选择器。

返回

ShapedQueryExpression

翻译后的形状查询。