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char array overhead

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To: PostgreSQL General <pgsql-general@xxxxxxxxxxxxxx>
Subject: char array overhead
From: Rob Sargent <robjsargent@xxxxxxxxx>
Date: Mon, 31 Mar 2014 09:08:55 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

I'm angling toward using a very wide char(1) array. Is the one-byte overhead for char(n<126) applied to each element or to the array?

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