|From:||Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>|
|To:||Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>|
|Cc:||PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>|
|Subject:||Re: Getting psql to redisplay command after \e|
|Views:||Raw Message | Whole Thread | Download mbox | Resend email|
> Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> writes:
>> This suggests that readline cannot be used to edit simply a known string?
>> :-( "rl_insert_text" looked promising, although probably not portable, and
>> I tried to make it work without much success anyway. Maybe I'll try to
>> investigate more deeply later.
> I think that rl_insert_text and friends can probably only be used from
> readline callback functions. So in principle maybe you could make it
> work by having an rl_startup_hook that injects text if there is any
> to inject. There would remain the issues of (a) is it portable across
> a wide range of readline and libedit versions, (b) will the prompting
> behavior be nice, and (c) do we really want this to work fundamentally
> differently when readline is turned off?
I thought maybe you were going to work on this right away, but since
you haven't, I went ahead and pushed what I had. There's certainly
plenty of time to reconsider if you find a better answer.
regards, tom lane
|Next Message||Ranier Vilela||2019-11-22 22:10:29||RE: [PATCH] Tiny optmization.|
|Previous Message||Tomas Vondra||2019-11-22 22:05:08||Re: [PATCH] Tiny optmization.|