How do I access the 'n'th point in a path?

Lists: pgsql-novice
From: douggorley(at)shaw(dot)ca
To: pgsql-novice(at)postgresql(dot)org
Subject: How do I access the 'n'th point in a path?
Date: 2002-08-14 02:32:32
Message-ID: 5415e52631.526315415e@shaw.ca
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Lists: pgsql-novice

Hello all,

If I have a path that looks like [ ( 1, 2 ), ( 3, 4 ), ( 5, 6 ) ], how
do I access a particular point within that node? I tried selecting
my_path[1], but no go. Any ideas?

TIA,

Doug Gorley | douggorley(at)shaw(dot)ca