Backward reading

From: <mac_man2005(at)hotmail(dot)it>
To: <pgsql-hackers(at)postgresql(dot)org>
Subject: Backward reading
Date: 2008-02-01 18:25:08
Message-ID: BAY132-DS21D85DF90CBA1429F44FCE6300@phx.gbl
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PostgreSQL allows "backward reading" tuples writing the tuple's length after and before the tuple proper, in case a 'randomAccess' is requested.

Is there any example of backward reading tuples into PostgreSQL code?

Thanks.

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