Обсуждение: German "umlaut insensitive" query

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German "umlaut insensitive" query

От
Дата:

Hi,

 

i found an entry from 2004, where it is about the German Umlaute and i have the same problem.

https://www.postgresql.org/message-id/4135E7F5.4070002%40stroetgen.de

 

I also found this article:

https://dba.stackexchange.com/questions/195502/postgres-collate-example-in-select

 

Are there other possibilities today (for example COLLATE) besides replace() to process the German Umlaute?

In the long term, we also want to use it for other countries.

 

Best Regards

Jakob Witczak

 

 

————————————————————————

 

Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)

Institut für Luft- und Raumfahrtmedizin | Abteilung für Luft- und Raumfahrtpsychologie | Sportallee 54a | 22335 Hamburg

 

P.-Jakob Witczak | Dipl.-Ing.(FH)

Telefon 040 513096-845 | jakob.witczak@dlr.de

DLR.de

 

Вложения

Re: German "umlaut insensitive" query

От
"Jonathan S. Katz"
Дата:

On Sep 20, 2019, at 4:36 AM, <Jakob.Witczak@dlr.de> <Jakob.Witczak@dlr.de> wrote:

Hi,
 
i found an entry from 2004, where it is about the German Umlaute and i have the same problem.
 
I also found this article:
 
Are there other possibilities today (for example COLLATE) besides replace() to process the German Umlaute?
In the long term, we also want to use it for other countries.

There is a feature in the upcoming PostgreSQL 12 release that
allows for accent insensitive queries:


This is part of PostgreSQL’s support for ICU collations.

Thanks,

Jonathan
Вложения

AW: German "umlaut insensitive" query

От
Дата:

Thanks for the quick answer. I am looking forward to the new PostgresSQL version. Thanks

 

Jakob

 

Von: Jonathan S. Katz [mailto:jonathan.katz@excoventures.com]
Gesendet: Freitag, 20. September 2019 14:17
An: Witczak, Jakob
Cc: pgsql-sql@postgresql.org
Betreff: Re: German "umlaut insensitive" query

 

 

On Sep 20, 2019, at 4:36 AM, <Jakob.Witczak@dlr.de> <Jakob.Witczak@dlr.de> wrote:

 

Hi,

 

i found an entry from 2004, where it is about the German Umlaute and i have the same problem.

 

I also found this article:

 

Are there other possibilities today (for example COLLATE) besides replace() to process the German Umlaute?

In the long term, we also want to use it for other countries.

 

There is a feature in the upcoming PostgreSQL 12 release that

allows for accent insensitive queries:

 

 

This is part of PostgreSQL’s support for ICU collations.

 

Thanks,

 

Jonathan

Вложения

Re: AW: German "umlaut insensitive" query

От
Peter Eisentraut
Дата:
On 2019-09-23 07:57, Jakob.Witczak@dlr.de wrote:
> Thanks for the quick answer. I am looking forward to the new PostgresSQL
> version. Thanks

In the meantime, the unaccent contrib module can also help.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



AW: AW: German "umlaut insensitive" query

От
Дата:
Super, thank you so much for the tip.

I still have a little problem where I don't get far ;-)

I constantly get an error message when I give the SET a value.
Siehe unten.

ERROR: ERROR: invalid value for parameter "idle_in_transaction_session_timeout": "_timeout" CONTEXT: SQL statement "SET
idle_in_transaction_session_timeoutTO _timeout" PL/pgSQL function set_transfer(integer,character varying,character
varying)Line 4 at SET SQL state: 22023SELECT * FROM  

Call function:
set_transfer(87,'users','5000');


Function:

CREATE OR REPLACE FUNCTION public.set_transfer(_id integer,  _tablename character varying, _timeout character varying)
   RETURNS SETOF users
   LANGUAGE 'plpgsql'AS $BODY$
BEGIN
  SET idle_in_transaction_session_timeout TO _timeout;
......
END


I've tried almost everything. :-(


Best Regards
Jakob





-----Ursprüngliche Nachricht-----
Von: Peter Eisentraut [mailto:peter.eisentraut@2ndquadrant.com]
Gesendet: Dienstag, 24. September 2019 09:05
An: Witczak, Jakob; jonathan.katz@excoventures.com
Cc: pgsql-sql@postgresql.org
Betreff: Re: AW: German "umlaut insensitive" query

On 2019-09-23 07:57, Jakob.Witczak@dlr.de wrote:
> Thanks for the quick answer. I am looking forward to the new PostgresSQL
> version. Thanks

In the meantime, the unaccent contrib module can also help.

--
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Вложения

RE: AW: German "umlaut insensitive" query

От
"Voillequin, Jean-Marc"
Дата:
Hello,

SET command does not work as you expect in PLPGSQL. The _timeout argument is understood as a the new value (not the
contentof _timeout).
 
Use set_config function instead.

CREATE OR REPLACE FUNCTION public.set_transfer(_id integer,  _tablename character varying, _timeout character varying)
 RETURNS void
 LANGUAGE plpgsql
AS $function$
begin
  perform set_config('idle_in_transaction_session_timeout',_timeout,false);
end;$function$
;

Regards

-----Original Message-----
From: Jakob.Witczak@dlr.de <Jakob.Witczak@dlr.de> 
Sent: Tuesday, September 24, 2019 10:38 AM
To: peter.eisentraut@2ndquadrant.com
Cc: pgsql-sql@postgresql.org; jonathan.katz@excoventures.com
Subject: AW: AW: German "umlaut insensitive" query

Super, thank you so much for the tip.

I still have a little problem where I don't get far ;-)

I constantly get an error message when I give the SET a value.
Siehe unten.

ERROR: ERROR: invalid value for parameter "idle_in_transaction_session_timeout": "_timeout" CONTEXT: SQL statement "SET
idle_in_transaction_session_timeoutTO _timeout" PL/pgSQL function set_transfer(integer,character varying,character
varying)Line 4 at SET SQL state: 22023SELECT * FROM 
 

Call function:
set_transfer(87,'users','5000');


Function:

CREATE OR REPLACE FUNCTION public.set_transfer(_id integer,  _tablename character varying, _timeout character varying)
   RETURNS SETOF users
   LANGUAGE 'plpgsql'AS $BODY$
BEGIN
  SET idle_in_transaction_session_timeout TO _timeout; ......
END


I've tried almost everything. :-( 


Best Regards
Jakob





-----Ursprüngliche Nachricht-----
Von: Peter Eisentraut [mailto:peter.eisentraut@2ndquadrant.com]
Gesendet: Dienstag, 24. September 2019 09:05
An: Witczak, Jakob; jonathan.katz@excoventures.com
Cc: pgsql-sql@postgresql.org
Betreff: Re: AW: German "umlaut insensitive" query

On 2019-09-23 07:57, Jakob.Witczak@dlr.de wrote:
> Thanks for the quick answer. I am looking forward to the new 
> PostgresSQL version. Thanks

In the meantime, the unaccent contrib module can also help.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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