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In-Reply-To: <200905121138.33188.achill@matrix.gatewaynet.com>
References: <7c33d060905120105y74b0483eyf5d94c07912a0702@mail.gmail.com>
	<200905121138.33188.achill@matrix.gatewaynet.com>
Date: Tue, 12 May 2009 15:42:22 +0700
Message-ID: <7c33d060905120142t75d1c887jfe62f21361eac178@mail.gmail.com>
Subject: Re: Array: comparing first N elements?
From: David Garamond <davidgaramond@gmail.com>
To: Achilleas Mantzios <achill@matrix.gatewaynet.com>
Cc: pgsql-sql@postgresql.org
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2009/5/12 Achilleas Mantzios <achill@matrix.gatewaynet.com>

> you would want to look at the intarray contrib package for index suppor and
> many other goodies,
> also you might want to write fucntions first(parents), last(parents) and
> then have an index
> on those as well.
> This way searching for the direct children of a node is very fast.


Thanks for the suggestions! Index support is exactly what I'm looking for.
Will look into intarray.

Regards,
dave

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<div>2009/5/12 Achilleas Mantzios <span dir=3D"ltr">&lt;<a href=3D"mailto:a=
chill@matrix.gatewaynet.com">achill@matrix.gatewaynet.com</a>&gt;</span><br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex;">
you would want to look at the intarray contrib package for index suppor and=
 many other goodies,<br>
also you might want to write fucntions first(parents), last(parents) and th=
en have an index<br>
on those as well.<br>
This way searching for the direct children of a node is very fast.</blockqu=
ote><div><br></div><div>Thanks for the suggestions! Index support is exactl=
y what I&#39;m looking for. Will look into intarray.</div><div><br></div>
<div>Regards,</div><div>dave=A0</div></div>

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