Re: reloption to prevent VACUUM from truncating empty pages at theend of relation

On 2019-Feb-28, Tom Lane wrote:

> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> > Hopefully we'll get Tom's patch that addresses the failure-to-truncate
> > issues in pg12.
> 
> Hm, are you speaking of the handwaving I did in
> https://www.postgresql.org/message-id/2348.1544474335@sss.pgh.pa.us
> ?
> 
> I wasn't really working on that for v12 --- I figured it was way
> too late in the cycle to be starting on such a significant change.

Oh, well, it certainly seems far too late *now*.  However, what about
the idea in 
https://postgr.es/m/1255.1544562482@sss.pgh.pa.us
namely that we write out the buffers involved?  That sounds like it
might be backpatchable, and thus it's not too late for it.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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