zoukankan      html  css  js  c++  java
  • SQLServer创建触发器,更新表

     在SQLServer,触发器,插入、更新、删除状态:

    CREATE TRIGGER t_inms_alarms

      ON [PHS].[dbo].[AlarmCurrent]

      FOR INSERT, DELETE

      AS

      DECLARE @rows int

      SELECT @rows = @@rowcount

      IF @rows = 0

      return

      --如果表是插入,则同步更新AlarmsMiddleTbl

      IF EXISTS(SELECT 1 FROM inserted) AND NOT EXISTS(SELECT 1 FROM deleted)

      BEGIN

      INSERT INTO [PHS].[dbo].[AlarmsMiddleTbl]

      SELECT i.[Id], i.[SequenceId], i.[code], i.[alarmdefineid],

      CONVERT(varchar,i.[occurTime],120), i.[confirmation], i.[ConfirmationTime],

      i.[MaintenanceName], i.[MaintenanceProcedure],

      i.[ClearTime], i.[screen],CONVERT(varchar, getdate(), 120)

      FROM inserted i

      END

      --如果表是更新某个字段,则同步更新AlarmsMiddleTbl

      IF NOT EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted) AND

      UPDATE(ConfirmationTime)

      BEGIN

      INSERT INTO [PHS].[dbo].[AlarmsMiddleTbl]

      SELECT d.[Id], d.[SequenceId], d.[code], d.[alarmdefineid],

      CONVERT(varchar,d.[occurTime],120), d.[confirmation], d.[ConfirmationTime],

      d.[MaintenanceName], d.[MaintenanceProcedure],

      CONVERT(varchar, getdate(),120), d.[screen],CONVERT(varchar, getdate(), 120)

      from deleted d

      END

      --如果表是删除,则同步更新AlarmsMiddleTbl

      IF NOT EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted)

      BEGIN

      INSERT INTO [PHS].[dbo].[AlarmsMiddleTbl]

      SELECT d.[Id], d.[SequenceId], d.[code], d.[alarmdefineid],

      CONVERT(varchar,d.[occurTime],120), d.[confirmation], d.[ConfirmationTime],

      d.[MaintenanceName], d.[MaintenanceProcedure],

      CONVERT(varchar, getdate(),120), d.[screen],CONVERT(varchar, getdate(), 120)

      from deleted d

      END

      IF @@error <> 0

      BEGIN

      RAISERROR('ERROR',16,1)

      rollback transaction

      return

      END

  • 相关阅读:
    区块链技术驱动金融.mobi
    ProcessExplorer 工具下载
    免费的论文查重网站
    接口可以继承接口吗?
    比较中的自动拆装箱
    Java语言中的异常处理
    Java类加载过程
    通过反射访问父类的私有成员
    final关键字详解
    MVC 控制台 +log4net 存入数据库
  • 原文地址:https://www.cnblogs.com/bailuobo/p/3937345.html
Copyright © 2011-2022 走看看