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Subject: Re: Problems with linked lists of records
Author: Ruslan Zasukhin
Posted: 2001/10/31 05:12:53
 
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on 10/31/01 10:33, Marcel at marcel AT dailystar DOT com.lb wrote:

> Hi all,
>
> I'm working on a project in which I need to implement a linked list of
> records. I now doubt that the way I'm doing this is the right one. The only
> problem I have is that all those records belong to the same table. I'm
> declaring the table like this:

Hi Mercel,

you need table with self recursion.,
There is such examples in V4RB archive, check it.


> Sub hbase (inDatabase as theDatabase)
> ...
> nextone = new VObjectPtr("h_nextone", inDatabase.htable, kV_SetNull)
> End Sub
>
> Of course, in my database definition, I also have
> htable = new hbase(self)
>
> What am I doing wrong?
> I could use a ULong field instead of the VObjectPtr but I guess I would
> loose some facilities.
>
> Talking about facilities, I have another question: if I have these linked
> records from the same table and I know the first one in a chain of records,
> how can I get all of them sequentially in a cursor??

--
Best regards,
Ruslan Zasukhin

-------------------------
Paradigma.

e-mail: ruslan@paradigmasoft.com
web : http://www.paradigmasoft.com

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©2001 Ruslan Zasukhin
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