Penty Wenngren wrote:
> If you are confident that this is not a PostgreSQL bug, I'll accept that
> happily and move on to do some more testing on my end.
I don't think it has been shown that this is not our bug. I reproduced
your problem here on an UTF8 environment and it does fail for me.
On the other hand, I am unsure how to test whether Ö is letter here, but
at least lower() works on it:
alvherre=# select lower('Ö');
lower
-------
ö
(1 fila)
alvherre=# show lc_ctype ;
lc_ctype
------------
sv_SE.utf8
(1 fila)
--
Alvaro Herrera Valdivia, Chile ICBM: S 39º 49' 18.1", W 73º 13' 56.4"
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