On Mon, Nov 18, 2019 at 1:49 PM Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > 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+5nto8ixgssfrxyvp...@mail.gmail.com > ? That's backend code of course, though.
Yeah. Maybe pg_wcswidth() would be OK though, and it's available in psql, though I guess you'd have to make a copy with the escaped bits stripped out.