语言

QuerySqlGenerator.VisitFromSql(FromSqlExpression) 方法

定义

为用户提供的 SQL 查询生成 SQL。

protected override System.Linq.Expressions.Expression VisitFromSql(Microsoft.EntityFrameworkCore.Query.SqlExpressions.FromSqlExpression fromSqlExpression);
protected virtual System.Linq.Expressions.Expression VisitFromSql(Microsoft.EntityFrameworkCore.Query.SqlExpressions.FromSqlExpression fromSqlExpression);
override this.VisitFromSql : Microsoft.EntityFrameworkCore.Query.SqlExpressions.FromSqlExpression -> System.Linq.Expressions.Expression
abstract member VisitFromSql : Microsoft.EntityFrameworkCore.Query.SqlExpressions.FromSqlExpression -> System.Linq.Expressions.Expression
override this.VisitFromSql : Microsoft.EntityFrameworkCore.Query.SqlExpressions.FromSqlExpression -> System.Linq.Expressions.Expression
Protected Overrides Function VisitFromSql (fromSqlExpression As FromSqlExpression) As Expression
Protected Overridable Function VisitFromSql (fromSqlExpression As FromSqlExpression) As Expression

参数

fromSqlExpression
FromSqlExpression

FromSqlExpression要为其生成 SQL。

返回

修改后的表达式(如果修改了该表达式或任何子表达式);否则,返回原始表达式。

适用于