From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | David Rowley <drowley(at)postgresql(dot)org>, pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | Re: pgsql: Add TID Range Scans to support efficient scanning ranges of TIDs |
Date: | 2021-03-01 18:07:24 |
Message-ID: | 20210301180724.GA24763@alvherre.pgsql |
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Lists: | pgsql-committers |
On 2021-Mar-01, Tom Lane wrote:
> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > On 2021-Feb-27, David Rowley wrote:
> >> Add TID Range Scans to support efficient scanning ranges of TIDs
>
> > Hmm, this seems to have missed a catversion bump, and we haven't had one
> > since it went in ...
>
> I've not read the patch in detail, but offhand I don't see why it would
> need a catversion bump. It doesn't look to have changed any persistent
> data structures.
Oh, so it appears you're right -- there are NodeTag renumberings but
those aren't stored anywhere.
--
Álvaro Herrera Valdivia, Chile
Bob [Floyd] used to say that he was planning to get a Ph.D. by the "green
stamp method," namely by saving envelopes addressed to him as 'Dr. Floyd'.
After collecting 500 such letters, he mused, a university somewhere in
Arizona would probably grant him a degree. (Don Knuth)
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