SqlExpressionVisitor.VisitSqlUnary(SqlUnaryExpression) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
流覽 sql 一元運算式的子系。
protected abstract System.Linq.Expressions.Expression VisitSqlUnary (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression sqlCastExpression);
protected abstract System.Linq.Expressions.Expression VisitSqlUnary (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression sqlUnaryExpression);
abstract member VisitSqlUnary : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression -> System.Linq.Expressions.Expression
abstract member VisitSqlUnary : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression -> System.Linq.Expressions.Expression
Protected MustOverride Function VisitSqlUnary (sqlCastExpression As SqlUnaryExpression) As Expression
Protected MustOverride Function VisitSqlUnary (sqlUnaryExpression As SqlUnaryExpression) As Expression
參數
- sqlCastExpressionsqlUnaryExpression
- SqlUnaryExpression
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。