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Proposal: psql force prompting on notty

From: Michael Mauger <mmaug(at)yahoo(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Proposal: psql force prompting on notty
Date: 2003-11-01 06:51:44
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackerspgsql-patches
I'm the maintainer of sql.el in GNU Emacs.  On both the Mac OS X 
and the Windows/Cygwin platform we've had reports that psql run 
under Emacs does not issue a prompt for commands.  

I did a little research and it appears that the cause is that 
pset.notty is being set to false because stdin/stdout are not 
a tty (pgsql-server/src/bin/psql/startup.c).  I'd like to 
propose that an option be added to the psql command line to 
override the detection of the tty and force the prompting for 
commands on stdin.  

I believe the attached patch should add the option -I to psql 
and force the prompt to appear as if it were an interactive 
session regardless of the state of stdin/stdout.  I do not 
have a configuration available to properly test this however.

Please be sure to include me in any replies since I do not 
subscribe to this list.  TIA.

-- Michael

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