Re: Getting psql to redisplay command after \e

I wrote:
> Fabien COELHO <coelho@cri.ensmp.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