RelationalQueryableMethodTranslatingExpressionVisitor.TranslateCount 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Query

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Count<TSource>(IQueryable<TSource>)在指定的來源上轉譯方法和其他多載。

protected override Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateCount (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.LambdaExpression? predicate);

override this.TranslateCount : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.LambdaExpression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression

Protected Overrides Function TranslateCount (source As ShapedQueryExpression, predicate As LambdaExpression) As ShapedQueryExpression

參數

source

ShapedQueryExpression

套用運算子的成形查詢。

predicate

LambdaExpression

呼叫中提供的述詞。

傳回

ShapedQueryExpression

翻譯後的成形查詢。