Re: pg_stat_wal_receiver and flushedUpto/writtenUpto

On 2020-May-15, Michael Paquier wrote:

> As discussed in the thread that introduced d140f2f3 to rename
> receivedUpto to flushedUpto and add writtenUpto to the WAL receiver's
> shared memory information, the equivalent columns in
> pg_stat_wal_receiver have not been renamed:

> When I have implemented this system view, the idea was to keep a
> one-one mapping between the SQL interface and the shmem info even if
> we are not compatible with past versions, hence I think that before
> beta1 we had better fix that and:
> - rename received_lsn to flushed_lsn.
> - add one column for writtenUpto.

Why do you put the column at the end?  I would put written_lsn before
flushed_lsn.

Since this requires a catversion bump, I think it'd be best to do it
before beta1 next week.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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