QueryableMethodTranslatingExpressionVisitor.TranslateGroupBy Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.dll

Paket:

Microsoft.EntityFrameworkCore v8.0.0

Menerjemahkan GroupBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>) metode dan kelebihan beban lainnya atas sumber yang diberikan.

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateGroupBy (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.LambdaExpression keySelector, System.Linq.Expressions.LambdaExpression? elementSelector, System.Linq.Expressions.LambdaExpression? resultSelector);

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

Protected MustOverride Function TranslateGroupBy (source As ShapedQueryExpression, keySelector As LambdaExpression, elementSelector As LambdaExpression, resultSelector As LambdaExpression) As ShapedQueryExpression

Parameter

source

ShapedQueryExpression

Kueri berbentuk tempat operator diterapkan.

keySelector

LambdaExpression

Pemilih kunci yang disediakan dalam panggilan.

elementSelector

LambdaExpression

Pemilih elemen disediakan dalam panggilan.

resultSelector

LambdaExpression

Pemilih hasil yang disediakan dalam panggilan.

Mengembalikan

ShapedQueryExpression

Kueri berbentuk setelah terjemahan.