ToDo: fast update of arrays with fixed length fields for PL/pgSQL

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: ToDo: fast update of arrays with fixed length fields for PL/pgSQL
Date: 2013-10-02 16:56:51
Message-ID: CAFj8pRAKuDU_0md-dg6Ftk0wSupvMLyrV1PB+HyC+GUBZz346w@mail.gmail.com
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Hello

this proposal is related to reported issue
http://www.postgresql.org/message-id/[email protected]

We can directly modify any fields of int, float, double arrays (when result
size will be immutable). This trick is used now for acceleration of some
aggregates.

Ideas, comments?

Regards

Pavel

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