共用方式為


QuerySqlGenerator.VisitExists(ExistsExpression) 方法

定義

流覽 exists 運算式的子系。

protected override System.Linq.Expressions.Expression VisitExists (Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression existsExpression);
protected override sealed System.Linq.Expressions.Expression VisitExists (Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression existsExpression);
override this.VisitExists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression -> System.Linq.Expressions.Expression
Protected Overrides Function VisitExists (existsExpression As ExistsExpression) As Expression
Protected Overrides NotOverridable Function VisitExists (existsExpression As ExistsExpression) As Expression

參數

existsExpression
ExistsExpression

要造訪的運算式。

傳回

如果運算式本身或是任一子運算式已經修正,會傳回修正的運算式,否則傳回原始運算式。

適用於