Re: Storing an ordered list

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От
Michael Artz
Тема
Re: Storing an ordered list
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Msg-id
e9c163070607261713j21d8e9a1n2e2ea25bd30de39c@mail.gmail.com
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Re: Storing an ordered list (Bruno Wolff III)
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Storing an ordered list "Michael Artz" <mlartz@gmail.com>
Re: Storing an ordered list Bruno Wolff III <bruno@wolff.to>
Re: Storing an ordered list "Michael Artz" <mlartz@gmail.com>
Re: Storing an ordered list Bruno Wolff III <bruno@wolff.to>
Re: Storing an ordered list "Aaron Bono" <postgresql@aranya.com>
Re: Storing an ordered list "Aaron Bono" <postgresql@aranya.com>
Re: Storing an ordered list "Michael Artz" <mlartz@gmail.com>
On 7/26/06, Bruno Wolff III  wrote:
> If you use numeric instead of int, then it is easy to insert new values.

Hmm, hadn't thought about that.  How would you normally implement it?
I'm thinking that, if I wanted to insert between A and B, I could take
(A.order + B.order)/2, which would be pretty simple.  Is there a
better way?

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