Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints

On Thu, Mar 10, 2022 at 10:18 PM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Thu, Mar 10, 2022 at 6:02 AM Dilip Kumar <dilipbalaut@gmail.com> wrote:
> > I have completely changed the logic for this refactoring.  Basically,
> > write_relmap_file(), is already having parameters to control whether
> > to write wal, send inval and we are already passing the dbpath.
> > Instead of making a new function I just pass one additional parameter
> > to this function itself about whether we are creating a new map or not
> > and I think with that changes are very less and this looks cleaner to
> > me.  Similarly for load_relmap_file() also I just had to pass the
> > dbpath and memory for destination map.  Please have a look and let me
> > know your thoughts.
>
> It's not terrible, but how about something like the attached instead?
> I think this has the effect of reducing the number of cases that the
> low-level code needs to know about from 2 to 1, instead of making it
> go up from 2 to 3.
>

Looks better, but why do you want to pass elevel to the
load_relmap_file()? Are we calling this function from somewhere other
than read_relmap_file()? If not, do we have any plans to call this
function  directly bypassing read_relmap_file for any upcoming patch?

--
With Regards,
Ashutosh Sharma.