Re: Variable substitution in psql backtick expansion

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Daniel Verite <daniel(at)manitou-mail(dot)org>, PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Variable substitution in psql backtick expansion
Date: 2017-08-26 19:07:48
Message-ID: 4959.1503774468@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> writes:
> Spending developer time to write code for the hypothetical someone running
> a psql version 11 linked to a libpq < 7.4, if it can even link, does not
> look like a very good investment... Anyway, here is required the update.

The question is the server's version, not libpq. Modern psql does still
talk to ancient servers (I tried 11devel against 7.2 just now, to be
sure). The stuff in describe.c may not work well, but basic functionality
is there and I don't want to break it.

regards, tom lane

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Peter Eisentraut 2017-08-26 19:22:16 Re: [COMMITTERS] pgsql: pg_test_timing: Add NLS
Previous Message Fabien COELHO 2017-08-26 18:40:24 Re: psql - add ability to test whether a variable exists