Sql server 异构查询需要ANSI_null
我写了一个触发器Sql server 异构查询需要ANSI_null,sql-server,tsql,triggers,Sql Server,Tsql,Triggers,我写了一个触发器 USE [TEST] GO /****** Object: Trigger [dbo].[TR_POSTGRESQL_UPDATE_YC] Script Date: 05/26/2010 08:54:03 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO ALTER TRIGGER [dbo].[TR_POSTGRESQL_UPDATE_YC] ON [dbo].[BCT_CNTR_EVENTS] FO
USE [TEST]
GO
/****** Object: Trigger [dbo].[TR_POSTGRESQL_UPDATE_YC] Script Date: 05/26/2010 08:54:03 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[TR_POSTGRESQL_UPDATE_YC] ON [dbo].[BCT_CNTR_EVENTS]
FOR INSERT
AS
BEGIN
DECLARE @MOVE_TIME varchar(14);
DECLARE @MOVE_TIME_FORMATED varchar(20);
DECLARE @RELEASE_NOTE varchar(32);
DECLARE @CMR_NUMBER varchar(15);
DECLARE @MOVE_TYPE varchar(2);
SELECT @MOVE_TIME = inserted.move_time
,@MOVE_TYPE = inserted.move_type
,@RELEASE_NOTE = inserted.release_note
,@CMR_NUMBER = inserted.cmr_number FROM inserted
IF(@MOVE_TYPE = 'YC')
BEGIN
SET @MOVE_TIME_FORMATED = SUBSTRING(@MOVE_TIME,1,4) + '-' + SUBSTRING(@MOVE_TIME,5,2) + '-' + SUBSTRING(@MOVE_TIME,7,2) + ' 00:00:00'
--UPDATE OpenQuery(POSTGRESQL_SERV,'SELECT visit_cmr,visit_timestamp,visit_pin FROM VISIT')
-- SET visit_cmr = @RELEASE_NOTE
-- WHERE visit_timestamp = @MOVE_TIME_FORMATED
-- AND visit_pin = right(@CMR_NUMBER,5)
-- AND visit_cmr IS NULL
END
SET NOCOUNT ON;
END
当我尝试插入一行时,收到一个错误
异构查询需要ANSI_null和ANSI_WARNINGS选项
要为连接设置。这确保了一致的查询语义。
启用这些选项,然后重新发出查询
在此之后,我尝试使用
设置ANSI\u警告处于启用状态,但它不起作用。(链接服务器PostgreSql的触发器)尝试使用此触发器
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[TR_POSTGRESQL_UPDATE_YC] ON [dbo].[BCT_CNTR_EVENTS]
AFTER INSERT
AS
BEGIN
DECLARE @MOVE_TIME varchar(14);
DECLARE @MOVE_TIME_FORMATED varchar(20);
DECLARE @RELEASE_NOTE varchar(32);
DECLARE @CMR_NUMBER varchar(15);
DECLARE @MOVE_TYPE varchar(2);
SELECT @MOVE_TIME = inserted.move_time
,@MOVE_TYPE = inserted.move_type
,@RELEASE_NOTE = inserted.release_note
,@CMR_NUMBER = inserted.cmr_number FROM inserted
IF(@MOVE_TYPE = 'YT')
BEGIN
SET @MOVE_TIME_FORMATED = SUBSTRING(@MOVE_TIME,1,4) + '-' + SUBSTRING(@MOVE_TIME,5,2) + '-' + SUBSTRING(@MOVE_TIME,7,2) + ' 00:00:00'
SET ANSI_NULLS ON
SET ANSI_WARNINGS ON
UPDATE OpenQuery(POSTGRESQL_SERV,'SELECT visit_cmr,visit_timestamp,visit_pin FROM VISIT')
SET visit_cmr = @RELEASE_NOTE
WHERE visit_timestamp = @MOVE_TIME_FORMATED
AND visit_pin = right(@CMR_NUMBER,5)
AND visit_cmr IS NULL
END
SET NOCOUNT ON;
END
在触发器?语法Ok中设置为“ON”时出现相同错误。我在本地服务器上做了一个“触发器”测试——这是一项伟大的工作!。。但在真正的服务器上,插入行时会出现错误(我使用的是php应用程序)。异构查询要求为连接设置ANSI_NULLS和ANSI_WARNINGS选项。这确保了一致的查询语义。启用这些选项,然后重新发出查询。