Backward reading - Mailing list pgsql-hackers

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Subject Backward reading
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Msg-id BAY132-DS21D85DF90CBA1429F44FCE6300@phx.gbl
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Responses Re: Backward reading  (Simon Riggs <simon@2ndquadrant.com>)
Re: Backward reading  (<mac_man2005@hotmail.it>)
List pgsql-hackers
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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