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Re: patch to add \watch to psql

Craig Ringer <craig@2ndquadrant.com>

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From: Craig Ringer <craig@2ndQuadrant.com>
To: "Dickson S. Guedes" <listas@guedesoft.net>
Cc: Daniel Farina <daniel@heroku.com>, Will Leinweber <will@heroku.com>, Pg Hackers <pgsql-hackers@postgresql.org>, Peter Eisentraut <peter_e@gmx.net>, Abhijit Menon-Sen <ams@2ndquadrant.com>
Date: 2013-01-21T02:55:06Z
Lists: pgsql-hackers 
On 01/21/2013 02:11 AM, Dickson S. Guedes wrote:
> 2013/1/17 Daniel Farina <daniel@heroku.com>:
>> I realized while making my adjustments that I pointlessly grew some input
>> checking in the inner loop.  I just hoisted it out in this version.
> Since psql uses libreadline, what do you think about to call
> rl_clear_screen() inside that "while (true)" loop? Obviously we should
> test #if we have readline enabled to use it, but when we have it a
> nice output will bring to us.
>
> BTW, I don't know how this will behaves on OSX or Windows.
OSX uses libedit, which is readline-compatible modulo some bugs.

Windows doesn't have line-editing (sadly) so it won't do anything at all.

-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
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