Hi,
On 2022-06-23 20:25:21 +0000, Bagga, Rishu wrote:
> >> 3. A flag to identify if the page is a relational or BufferedObject
> >Why is this needed in the page header?
>
> Now that we are dealing with two different type of page headers, we need to
> know how to interpret any given page. We need to use pd_flags to determine
> this.
When do we need to do so? We should never need to figure out whether an
on-disk block is for an SLRU or something else, without also knowing which
relation / SLRU it is in.
Greetings,
Andres Freund