From: Rajesh Kumar Mallah <mallah@trade-india.com>
To: Benoît Bournon <benoit.bournon@adelis.com>
To: pgsql-sql@postgresql.org
Subject: Re: Recursive request ...
Date: Sun, 13 Jul 2003 12:17:02 +0530
Message-ID: <200307131217.02856.mallah@trade-india.com> (raw)
In-Reply-To: <3F0C3469.2050106@adelis.com>
References: <3F0C3469.2050106@adelis.com>
Dear Bournon,
There are already good implementation of Tree
structures in databases ranging from using pure SQL
to PostgreSQL specfic methods , less point in
revinting wheel unless u really need.
Some Pointers:
"Tree-structure functions"
http://www.brasileiro.net:8080/postgres/cookbook/
Gist Based:
contrib/ltree
Joe Celko's Article on "Nested Sets & Adjacency Lists"
http://www.ibase.ru/devinfo/DBMSTrees/sqltrees.htmlhttp://users.starpower.net/rjhalljr/Serve/MySQL/traer.htmlhttp://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=adjacency+list+%2B+tree+%2B+joe
On Wednesday 09 Jul 2003 8:57 pm, Benoît Bournon wrote:
> I have to make a function that returns a tree with title and link of a
> table.
>
> Recursively, a information depends on a parent information.
>
> It is to organise a menu with parent dependance.
>
> How is it possible and faster ? in C ? pl/pgsql or other ?
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
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To: pgsql-sql@postgresql.org
Cc: mallah@trade-india.com, benoit.bournon@adelis.com
Subject: Re: Recursive request ...
In-Reply-To: <200307131217.02856.mallah@trade-india.com>
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