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.
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
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