Re: [HACKERS] Variable substitution in psql backtick expansion

>> 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.

Ok.

> Modern psql does still talk to ancient servers (I tried 11devel against 
> 7.2 just now, to be sure).

Wow:-)

> The stuff in describe.c may not work well, but basic functionality
> is there and I don't want to break it.

Ok. Then the updated patch should work, although I do not have a setup to 
test that easily.

-- 
Fabien.