Re: add log messages when replication slots become active and inactive (was Re: Is it worth adding ReplicationSlot active_pid to ReplicationSlotPersistentData?)

On Thu, Nov 16, 2023 at 6:09 PM Bharath Rupireddy
<bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
>
> On Thu, Nov 16, 2023 at 4:01 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> >
> > On 2023-Nov-16, Peter Smith wrote:
> >
> > > I searched HEAD code and did not find any "translator:" comments for
> > > just ordinary slot name substitutions like these; AFAICT that comment
> > > is not necessary anymore.
> >
> > True. Lose that.
>
> Removed.
>
> > The rationale I have is to consider whether a translator looking at the
> > original message message in isolation is going to understand what the %s
> > means. If it's possible to tell what it is without having to go read
> > the source code that leads to the message, then you don't need a
> > "translator:" comment. Otherwise you do.
>
> Agree. I think it's easy for one to guess the slot name follows "....
> replication slot %s", so I removed the translator message.
>
> > > SUGGESTION (#1a and #1b)
> > >
> > > ereport(log_replication_commands ? LOG : DEBUG1,
> > > errmsg(SlotIsLogical(s)
> > > ? "acquired logical replication slot \"%s\""
> > > : "acquired physical replication slot \"%s\"",
> > > NameStr(s->data.name)));
> >
> > The bad thing about this is that gettext() is not going to pick up these
> > strings into the translation catalog. You could fix that by adding
> > gettext_noop() calls around them:
> >
> > ereport(log_replication_commands ? LOG : DEBUG1,
> > errmsg(SlotIsLogical(s)
> > ? gettext_noop("acquired logical replication slot \"%s\"")
> > : gettext_noop("acquired physical replication slot \"%s\""),
> > NameStr(s->data.name)));
> >
> > but at that point it's not clear that it's really better than putting
> > the ternary in the outer scope.
>
> I retained wrapping messages in errmsg("...").
>
> > You can verify this by doing "make update-po" and then searching for the
> > messages in postgres.pot.
>
> Translation gives me [1] with v18 patch
>
> PSA v18 patch.
>

LGTM. I'll push this early next week unless there are further
suggestions or comments.

--
With Regards,
Amit Kapila.