Re: badly calculated width of emoji in psql

From: John Naylor <john(dot)naylor(at)enterprisedb(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: Jacob Champion <pchampion(at)vmware(dot)com>, "laurenz(dot)albe(at)cybertec(dot)at" <laurenz(dot)albe(at)cybertec(dot)at>, "michael(at)paquier(dot)xyz" <michael(at)paquier(dot)xyz>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "horikyota(dot)ntt(at)gmail(dot)com" <horikyota(dot)ntt(at)gmail(dot)com>
Subject: Re: badly calculated width of emoji in psql
Date: 2021-08-12 16:36:08
Message-ID: CAFBsxsEW0oAD2gdWQ9OQ8dS52iz476kWK2pqV1xmGuVjaygZTA@mail.gmail.com
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I tried this patch on and MacOS11/iterm2 and RHEL 7 (ssh'd from the Mac, in
case that matters) and the example shown at the top of the thread shows no
difference:

john.naylor=# \pset border 2
Border style is 2.
john.naylor=# SELECT U&'\+01F603';
+----------+
| ?column? |
+----------+
| 😃 |
+----------+
(1 row)

(In case it doesn't render locally, the right bar in the result cell is
still shifted to the right.

What is the expected context to show a behavior change? Does one need some
specific terminal or setting?

--
John Naylor
EDB: http://www.enterprisedb.com

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