Reinhard Asmus wrote
>
> when i make the same thing in oracle i've got
>
> Ätna
> Anton
> ....
>
> is it possible to get the same with postgresql and when how?
>
>
PostgreSQLs collation support is not complete. Until now, you can not define
a sort order of your own.
Workaround:
Step1: Define a function like this
CREATE OR REPLACE FUNCTION germanorder(text)
RETURNS text AS
$BODY$ SELECT
REPLACE(REPLACE(REPLACE(REPLACE(lower($1),'ß','ss'),'ä','ae'),'ö','oe'),'ü','ue')
$BODY$
LANGUAGE sql VOLATILE
COST 100;
ALTER FUNCTION prisorder(text)
OWNER TO postgres;
step2: Create an functional index
( http://www.postgresql.org/docs/7.3/static/indexes-functional.html )
CREATE INDEX bezeichnung_germanorder_idx ON test1 (germanorder(col1));
step3: Select using the function
select * from sgvs.test order by germanorder(bezeichnung);
and you will get what you want...
If speed does not matter you can omit step2.
regards
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