Re: pgsql: doc: remove verbiage about "receiving" data from rep. slots

Hi,

On 2025-11-14 09:49:02 -0500, Bruce Momjian wrote:
> On Fri, Nov 14, 2025 at 09:25:20AM -0500, Andres Freund wrote:
> > Hi,
> > 
> > On 2025-11-14 09:12:33 -0500, Bruce Momjian wrote:
> > > On Fri, Nov 14, 2025 at 09:05:07AM -0500, Andres Freund wrote:
> > > > Hi,
> > > > 
> > > > On 2025-11-14 09:02:12 -0500, Andres Freund wrote:
> > > > > On 2025-11-14 13:56:06 +0000, Bruce Momjian wrote:
> > > > > > doc:  remove verbiage about "receiving" data from rep. slots
> > > > > > 
> > > > > > The slots are just LSN markers, not something to receive from.
> > > > > 
> > > > > I think this is wrong. Logical slots also preserve resources other than WAL.
> > > > 
> > > > I also think that the complaint about slots not being something to receive
> > > > from is simply wrong for logical slots.
> > > 
> > > Uh, can you clarify since I can't find details on what they preserve.
> > 
> > Slots (physical ones can, logical ones always do), prevent row cleanup on the
> > primary.
> 
> I see your point.  How is the attached patch?  The link right after the
> modified text talks only about WAL retention, so I think we need
> something in this sentence to say we do more than WAL retention for
> logical replication slots.

It's less wrong, but I don't think this is the right place to add more
documentation about what replication slots do.

Greetings,

Andres Freund