The sorting order behavior is same ,right?
-----Original Message-----
From: Laurenz Albe <laurenz.albe@cybertec.at>
Sent: Thursday, March 9, 2023 4:30 PM
To: James Pang (chaolpan) <chaolpan@cisco.com>; pgsql-admin@lists.postgresql.org
Subject: Re: database collation "C" and "C.LATIN1"
On Thu, 2023-03-09 at 08:22 +0000, James Pang (chaolpan) wrote:
> We create one database with collate= “C.LATIN1”, any difference between “C” and “C.LATIN1” ?
> database encoding is “LATIN1”.
>
> oid | collname | collencoding | collcollate |
> collctype | collversion
> -------+------------------------+--------------+------------------+------------------+-------------
> 950 | C | -1 | C | C |
> 12328 | C.latin1 | 8 | C.latin1 | C.latin1 |
The difference is a technicality: "C" is encoding agnostic (-1) and can be used with any encoding, while "C.latin1" can
onlybe used with encoding LATIN1 (8).
The behavior is the same.
Yours,
Laurenz Albe
