Received: from localhost (postgresql.org [64.49.215.8])
	by postgresql.org (Postfix) with ESMTP id 67973475AA3
	for <pgsql-sql@postgresql.org>; Fri,  9 Aug 2002 09:53:25 -0400 (EDT)
Received: from sss.pgh.pa.us (unknown [192.204.191.242])
	by postgresql.org (Postfix) with ESMTP id 652C3475A9E
	for <pgsql-sql@postgresql.org>; Fri,  9 Aug 2002 09:53:22 -0400 (EDT)
Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1])
	by sss.pgh.pa.us (8.12.5/8.12.5) with ESMTP id g79DrFVk000485;
	Fri, 9 Aug 2002 09:53:16 -0400 (EDT)
To: h012@ied.com
Cc: Oleg Bartunov <oleg@sai.msu.su>,
	Achilleus Mantzios <achill@matrix.gatewaynet.com>, pgsql-sql@postgresql.org
Subject: Re: expressions operating on arrays 
In-reply-to: <no.Yo.N.nN.0208090252110.2280-100000@business.com> 
References: <no.Yo.N.nN.0208090252110.2280-100000@business.com>
Comments: In-reply-to h012@ied.com
	message dated "Fri, 09 Aug 2002 03:12:22 -0400"
Date: Fri, 09 Aug 2002 09:53:15 -0400
Message-ID: <484.1028901195@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Virus-Scanned: by AMaViS new-20020517
X-Archive-Number: 200208/162
X-Sequence-Number: 9008

h012@ied.com writes:
>  w.r.t. modifying the array contents: I looked through 
> /usr/lib/pgsql/contrib/intarray/_int.sql.in , but it didn't make me any 
> smarter. Are the "..._union" and "..._picksplit" functions supposed to add 
> into and remove elements from the arrays ?

No, those are support functions for GIST indexes on intarrays.  They're
not useful to call directly.

			regards, tom lane