RelationalQueryableMethodTranslatingExpressionVisitor.TranslateLeftJoin 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

將 LeftJoin 轉譯為指定的來源。

protected override Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateLeftJoin (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression outer, Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression inner, System.Linq.Expressions.LambdaExpression outerKeySelector, System.Linq.Expressions.LambdaExpression innerKeySelector, System.Linq.Expressions.LambdaExpression resultSelector);

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

Protected Overrides Function TranslateLeftJoin (outer As ShapedQueryExpression, inner As ShapedQueryExpression, outerKeySelector As LambdaExpression, innerKeySelector As LambdaExpression, resultSelector As LambdaExpression) As ShapedQueryExpression

參數

outer

ShapedQueryExpression

套用運算子的成形查詢。

inner

ShapedQueryExpression

要執行聯結的內部形狀查詢。

outerKeySelector

LambdaExpression

外部來源的索引鍵選取器。

innerKeySelector

LambdaExpression

內部來源的索引鍵選取器。

resultSelector

LambdaExpression

呼叫中提供的結果選取器。

傳回

ShapedQueryExpression

翻譯後的成形查詢。