element from an array by its index

From: Murat Kabilov <kabilovmf(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: element from an array by its index
Date: 2009-07-21 10:08:51
Message-ID: f27215600907210308v6302677cg1b8f182d3b481929@mail.gmail.com
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Hello,

I would like to know if there is a function that extracts an element by its
index from an array?

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