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"Big O" notation for postgres?

From: "H(dot) Hall" <hhall1001(at)reedyriver(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: "Big O" notation for postgres?
Date: 2008-05-21 14:10:53
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
Does anyone know if there is a source that provides "Big O" notation for 
postgres's aggregate functions and operations?  For example is count(*) 
= O(1) or O(n)?

Do the developers for postgres use Big O when selecting algorithms? If 
so, is the info easily available?


H. Hall
ReedyRiver Group LLC


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