From: | "James Pang (chaolpan)" <chaolpan(at)cisco(dot)com> |
---|---|
To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, "pgsql-admin(at)lists(dot)postgresql(dot)org" <pgsql-admin(at)lists(dot)postgresql(dot)org> |
Subject: | RE: database collation "C" and "C.LATIN1" |
Date: | 2023-03-09 08:31:25 |
Message-ID: | PH0PR11MB51911F9E21AB40CEE460886DD6B59@PH0PR11MB5191.namprd11.prod.outlook.com |
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The sorting order behavior is same ,right?
-----Original Message-----
From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
Sent: Thursday, March 9, 2023 4:30 PM
To: James Pang (chaolpan) <chaolpan(at)cisco(dot)com>; pgsql-admin(at)lists(dot)postgresql(dot)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 only be used with encoding LATIN1 (8).
The behavior is the same.
Yours,
Laurenz Albe
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