Re: Backward reading

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: mac_man2005(at)hotmail(dot)it
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Backward reading
Date: 2008-02-01 20:35:22
Message-ID: 1201898122.4252.88.camel@ebony.site
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Fri, 2008-02-01 at 19:25 +0100, mac_man2005(at)hotmail(dot)it wrote:
> 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?

Don't think so, but we don't always use randomAccess anyway. Sounds like
we might be able to drop the length at the end of each tuple in those
cases...

--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2008-02-01 21:25:01 Re: BUG #3921: CREATE TABLE / INCLUDING INDEXES fails with permission denied
Previous Message mac_man2005 2008-02-01 18:25:08 Backward reading