-- TABLE INSERTVAL UPDATEVAL
if (object_id('DATA_SYNC_FH_DJ','TR') is not null)
drop trigger DATA_SYNC_FH_DJ
go
create trigger DATA_SYNC_FH_DJ
on FH_DJ
for insert,update,delete
as
declare
@oldUpdate varchar(20),
@newDate varchar(20),
@DJdanhao varchar(20),
@Djid int,
@isInsert bit,
@isUpdate bit,
@isDelete bit;
-- 判断是否为插入操作
IF EXISTS(SELECT 1 FROM inserted) AND NOT EXISTS(SELECT 1 FROM deleted)
BEGIN
SET @isInsert = 1;
select @Djid = djid from inserted;
END
ELSE
SET @isInsert = 0
-- 判断是否为更新操作
IF EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted)
BEGIN
SET @isUpdate = 1;
select @Djid = djid from inserted;
END
ELSE
SET @isUpdate = 0
-- 判断是否为删除操作
IF (NOT EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted))
BEGIN
SET @isDelete = 1;
select @DJdanhao = DJdanhao from deleted;
END
ELSE
SET @isDelete = 0
--更新前的数据
select @oldUpdate = F_SYNC_UPDATE from deleted;
--通过应用程序修改时，F_SYNC_UPDATE=null或F_SYNC_UPDATE=0,此时不需要更新F_SYNC_DATE 时间戳，也不需要记录删除记录
if ((@oldUpdate is null) or (@oldUpdate = 0))
begin
--更新操作，更新时间戳F_SYNC_DATE=systimestamp和F_SYNC_UPDATE=null
if (@isUpdate = 1)
insert into DATA_SYNC_B_OPERATOR (t_name, o_type, o_date, VKEYS)
values ('FH_DJ', 2, GETDATE(), @Djid);
--把新增加的记录插入到操作记录表
if (@isInsert = 1)
insert into DATA_SYNC_B_OPERATOR (t_name, o_type, o_date, VKEYS)
values ('FH_DJ', 1, GETDATE(), @Djid);
--把删除记录的主键添加到操作记录表
if (@isDelete = 1)
insert into DATA_SYNC_B_OPERATOR (t_name, o_type, o_date, VKEYS)
values ('FH_DJ', 3, GETDATE(), 'test@' + @DJdanhao);
end
go
名称栏目：SQLServer创建触发器
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