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QueryableMethodTranslatingExpressionVisitor.TranslateCount Metodo

  • Riferimento

Definizione

Spazio dei nomi:
Microsoft.EntityFrameworkCore.Query
Assembly:
Microsoft.EntityFrameworkCore.dll
Pacchetto:
Microsoft.EntityFrameworkCore v3.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v3.1.0
Pacchetto:
Microsoft.EntityFrameworkCore v5.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v6.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v7.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v8.0.0

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

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

Parametri

source
ShapedQueryExpression

Query con forma su cui viene applicato l'operatore.

predicate
LambdaExpression

Predicato fornito nella chiamata.

Restituisce

ShapedQueryExpression

Query con forma dopo la traduzione.

Si applica a