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Is it possible to get the n-th entry in bdb?
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klzhao@gmail.com
*nix forums beginner


Joined: 09 Jul 2006
Posts: 1

PostPosted: Sun Jul 09, 2006 7:40 am    Post subject: Is it possible to get the n-th entry in bdb? Reply with quote

Hello,

I wish to access the n-th entry in a database(say btree structure) in
an efficient way, but I can't find a clue that it is possible in bdb.
That would need to introduce a "number of nodes in its subtree or left
subtree" field to each node. I wonder if bdb support this. Thank you.

BTW if bdb does not support it, could anyone give a suggestion about
what i can do to achieve it?

Thanks and regards,

Kevin
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guenther@gmail.com
*nix forums beginner


Joined: 29 Jan 2006
Posts: 8

PostPosted: Mon Jul 10, 2006 10:46 am    Post subject: Re: Is it possible to get the n-th entry in bdb? Reply with quote

klzhao@gmail.com wrote:
Quote:
I wish to access the n-th entry in a database(say btree structure) in
an efficient way, but I can't find a clue that it is possible in bdb.

BDB supports logical record numbers for the btree, queue, and recno
access methods. Details can be found at:
http://www.sleepycat.com/docs/ref/am_conf/logrec.html


Philip Guenther
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