我想知道是否能在SQLite中运行以下过程:
set nocount on
select T.ID, max(T.SerialNo) as SerialNo
into #Tmp_Ticket_ID
from Ticket as T, Ticket as inserted
where t.ID = inserted.ID
group by T.id having count(*) > 1
declare zeiger cursor for
select SerialNo
from #Tmp_Ticket_ID
declare @SerialNo int
OPEN Zeiger
FETCH NEXT FROM zeiger INTO @SerialNo
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
update T
set ID = (select max(id) + 1 from Ticket)
from ticket AS T, #Tmp_Ticket_ID as I
where t.serialNo = i.serialno
and I.Serialno = @SerialNo
END
FETCH NEXT FROM zeiger INTO @SerialNo
END
CLOSE Zeiger
DEALLOCATE Zeiger
DROP TABLE #Tmp_Ticket_ID
这是一个来自ms-sql2000的小程序,用于清除给定表格Ticket中Ticket_id的重复项。该表格结构如下:
create table Ticket (serialNo int identity(1,1) not null
, ID as int not null
, Ticket_issue as varchar(50)
, some_more_field varchar(500))
由于不同数据库的简单合并,票号(ticket_id)变得不唯一。为了解决这个问题,我开发了重新编号的程序,但现在我们在SQLite数据库上遇到类似的问题。