SqlExpressionVisitor.VisitSqlFunction(SqlFunctionExpression) 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Query

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v9.0.0

來源:

SqlExpressionVisitor.cs

流覽 sql 函式運算式的子系。

protected abstract System.Linq.Expressions.Expression VisitSqlFunction (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression sqlFunctionExpression);

abstract member VisitSqlFunction : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression -> System.Linq.Expressions.Expression

Protected MustOverride Function VisitSqlFunction (sqlFunctionExpression As SqlFunctionExpression) As Expression

參數

sqlFunctionExpression

SqlFunctionExpression

要造訪的運算式。

傳回

Expression

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。