sql – 返回NEWSEQUENTIALID()作为输出参数
发布时间:2020-12-12 08:22:29 所属栏目:MsSql教程 来源:网络整理
导读:想象一下这样的表: CREATE TABLE [dbo].[test]( [id] [uniqueidentifier] NULL,[name] [varchar](50) NULL)GOALTER TABLE [dbo].[test] ADD CONSTRAINT [DF_test_id] DEFAULT (newsequentialid()) FOR [id]GO 使用INSERT存储过程,如下所示: CREATE PROCEDUR
想象一下这样的表:
CREATE TABLE [dbo].[test]( [id] [uniqueidentifier] NULL,[name] [varchar](50) NULL ) GO ALTER TABLE [dbo].[test] ADD CONSTRAINT [DF_test_id] DEFAULT (newsequentialid()) FOR [id] GO 使用INSERT存储过程,如下所示: CREATE PROCEDURE [Insert_test] @name as varchar(50),@id as uniqueidentifier OUTPUT AS BEGIN INSERT INTO test( name ) VALUES( @name ) END 获取刚刚插入的GUID并将其作为输出参数返回的最佳方式是什么? 解决方法使用Insert语句的Output子句.CREATE PROCEDURE [Insert_test] @name as varchar(50),@id as uniqueidentifier OUTPUT AS BEGIN declare @returnid table (id uniqueidentifier) INSERT INTO test( name ) output inserted.id into @returnid VALUES( @name ) select @id = r.id from @returnid r END GO /* Test the Procedure */ declare @myid uniqueidentifier exec insert_test 'dummy',@myid output select @myid (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |