proposal: bytea_agg aggregate function

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: proposal: bytea_agg aggregate function
Date: 2011-12-14 06:38:15
Message-ID: CAFj8pRACN9fdTi7WOMN2VALL=4LKwnV2WvQUOyO6HZWcY5s2nQ@mail.gmail.com
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Hello

For join of encoded text should be useful fast concat aggregation. The
behave should be very similar to string_agg, only separator is useless
in this case.

a) This allow a fast only sql expressions on encoded texts
b) our interface will be more orthogonal

Regards

Pavel

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