Re: WAL being written during SELECT * query

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Tom DalPozzo <t(dot)dalpozzo(at)gmail(dot)com>
Cc: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: WAL being written during SELECT * query
Date: 2017-04-06 16:30:27
Message-ID: CAKFQuwZUqKae+PPuQLWYWtpFC19RTO3BQcva6bMgXRNQX6Mb2A@mail.gmail.com
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On Thu, Apr 6, 2017 at 8:51 AM, Tom DalPozzo <t(dot)dalpozzo(at)gmail(dot)com> wrote:

>
> What is the meaning of FPI_FOR_HINT?
> ​
>

​Full Page Image for Hint [Bits]

Its noted as being dependent upon checksums being enabled.

I have a feel for the interactions involved here but not enough to explain
them in detail.

David J.

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