Lingua

QueryableMethodTranslatingExpressionVisitor.TranslateDefaultIfEmpty Metodo

Definizione

Converte il DefaultIfEmpty<TSource>(IQueryable<TSource>) metodo e altri overload sull'origine specificata.

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateDefaultIfEmpty(Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression? defaultValue);
protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression TranslateDefaultIfEmpty(Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression defaultValue);
abstract member TranslateDefaultIfEmpty : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression
Protected MustOverride Function TranslateDefaultIfEmpty (source As ShapedQueryExpression, defaultValue As Expression) As ShapedQueryExpression

Parametri

source
ShapedQueryExpression

Query con forma su cui viene applicato l'operatore.

defaultValue
Expression

Valore predefinito da usare.

Valori restituiti

Query con forma dopo la conversione.

Si applica a