Steve Crawford <scrawf...@pinpointresearch.com> writes: > That is almost identical to the solution I suggested a week or two ago to > someone tackling the issue and the hack works on initial connection. > > Connect to a different cluster with "\c", however, and it will leave the > prompt showing you connected to the original database which is not good.
True and I've always thought of it as a possible misfeature of psql that it scans .psqlrc only once. > Cheers, > Steve > > On Fri, May 6, 2016 at 11:42 AM, Jerry Sievers <gsiever...@comcast.net> wrote: > > Peter Eisentraut <peter.eisentr...@2ndquadrant.com> writes: > > > On 5/5/16 9:21 PM, Steve Crawford wrote: > > > >> Adding an escape sequence that references cluster_name would enable > >> prompts to identify the cluster in a manner that is both consistent and > >> distinct regardless of access path. > > > > I think that would be a good idea. You could probably design it so > > that any server parameter reported to the client can be put in a psql > > prompt. > > The OP can easily work around that lack of support with something such as > follow... > > Add this to ~/.psqlrc[-optional version stuff] > > select setting as cluster_name from pg_settings where name = > 'cluster_name' -- do not simicolon terminate this line > \gset > > \set PROMPT1 :cluster_name ': how cool is this:' > > > > >> Potential issues/improvements: > >> > >> What should the escape-sequence display if cluster_name is not set or > >> the cluster is a pre-9.5 version. %M? %m? > >> > >> In future server versions should there be a default for cluster_name if > >> it is not set? If so, what should it be? Would the server canonical > >> hostname + listen-port be reasonable? > > > > Those are good questions. I don't really like the proposed answers, > > because that could cause confusion in practical use. > > > > -- > > Peter Eisentraut       http://www.2ndQuadrant.com/ > > PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services > > -- > Jerry Sievers > Postgres DBA/Development Consulting > e: postgres.consult...@comcast.net > p: 312.241.7800 > -- Jerry Sievers e: jerry.siev...@comcast.net p: 312.241.7800 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
