Horton

Re: Is it possible to have comma as default decimal seperator

Laurenz Albe <laurenz.albe@cybertec.at>

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From: Laurenz Albe <laurenz.albe@cybertec.at>
To: "Subramanian,Ramachandran" <ramachandran.subramanian@alte-leipziger.de>, "pgsql-novice@lists.postgresql.org" <pgsql-novice@lists.postgresql.org>
Date: 2026-02-26T10:58:38Z
Lists: pgsql-novice 
On Thu, 2026-02-26 at 10:12 +0000, Subramanian,Ramachandran wrote:
>    is it possible to globally set the COMMA as the decimal separator for an instance instead of the DOT. 
>  
>    1. Is it possible
>    2. If yes, how would one convert all the DBs in an existing instance.

I assume you would like to use the comma as decimal separator in your
SQL statements, like

  UPDATE konto SET betrag = 23,50 WHERE kontonummer = 42;

That is not possible.

However, if you set the parameter "lc_numeric" to a German locale, you
can use the comma with the function to_number():

  SET lc_numeric = "de_DE.utf8";

  SELECT to_number('23,50', '999999999D99');

   to_number 
  ═══════════
       23.50
  (1 row)

Yours,
Laurenz Albe