Lingua

QueryableMethodTranslatingExpressionVisitor.TranslateGroupBy Metodo

Definizione

Converte il GroupBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>) metodo e altri overload sull'origine specificata.

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);
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

Parametri

source
ShapedQueryExpression

Query con forma su cui viene applicato l'operatore.

keySelector
LambdaExpression

Selettore di chiave fornito nella chiamata.

elementSelector
LambdaExpression

Selettore di elementi fornito nella chiamata.

resultSelector
LambdaExpression

Selettore di risultati fornito nella chiamata.

Valori restituiti

Query con forma dopo la conversione.

Si applica a