Horton

Re: Invisible PROMPT2

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Kyotaro Horiguchi <horikyota.ntt@gmail.com>, David Fetter <david@fetter.org>, ilmari@ilmari.org, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-11-18T00:49:24Z
Lists: pgsql-hackers 
On 2019-Nov-18, Thomas Munro wrote:

> Nice idea.  Here's one like that, that just does the counting at the
> end and looks out for readline control codes.  It's pretty naive about
> what "width" means though: you'll get two spaces for UTF-8 encoded é,
> and I suppose a complete implementation would know about the half
> width/full width thing for Chinese and Japanese etc.

Hmm ... is this related to what Juan José posted at
https://postgr.es/m/CAC+AXB28ADgwdNRA=aAoWDYPqO1DZR+5NTO8iXGSsFrXyVpqYQ@mail.gmail.com
?  That's backend code of course, though.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. psql: Fix %w length in PROMPT2 when PROMPT1 contains a newline.

  2. Allow invisible PROMPT2 in psql.