| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Peter Geoghegan <pg(at)bowt(dot)ie>, Bruce Momjian <bruce(at)momjian(dot)us>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Subject: | Re: Improving connection scalability: GetSnapshotData() |
| Date: | 2020-09-15 00:14:48 |
| Message-ID: | 1227660.1600128888@sss.pgh.pa.us |
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Andres Freund <andres(at)anarazel(dot)de> writes:
> I think the approach of having a long running psql session is really
> useful, and probably would speed up some tests. Does anybody have a good
> idea for how to best, and without undue effort, to integrate this into
> PostgresNode.pm? I don't really have a great idea, so I think I'd leave
> it with a local helper in the new test?
You could use the interactive_psql infrastructure that already exists
for psql/t/010_tab_completion.pl. That does rely on IO::Pty, but
I think I'd prefer to accept that dependency for such tests over rolling
our own IPC::Run, which is more or less what you've done here.
regards, tom lane
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