> On 19 May 2019 16:42 mabi via dovecot <dovecot@dovecot.org> wrote: > > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Sunday, May 19, 2019 2:58 PM, John Fawcett via dovecot > <dovecot@dovecot.org> wrote: > > > I guess it is not supported for PostgreSQL or Sqlite, since they don't > > have "ON DUPLICATE KEY UPDATE" statement which is what is being used in > > MySQL. > > That's it, PostgreSQL does not have "ON DUPLICATE KEY" but instead uses "ON > CONFLICT" as documented here: > > https://www.postgresql.org/docs/10/sql-insert.html#SQL-ON-CONFLICT > > > You could verify the query being used by turning on query logging in > > PostgresSQL. > > I enabled query logging as suggested and found out that Dovecot dict is not > using the "ON CONFLICT" feature of INSERT with PostgreSQL, as you can see > from the query below: > > INSERT INTO last_logins (last_login,username,domain) VALUES > (1558273000,'u...@domain.tld','domain.tld') > > For me this makes Dovecot's dictionary feature useless with PostgreSQL. > Should I open a bug for that? or is it more of a "feature request"? > > Regards, > Mabi
It would be a feature request, also note that it's only available since version 9.5, so it really won't help anyone before that. It seems last_login is missing unset, unfortunately. Aki