It's serious.
teszt=# select lower('AúéöÖÉÁ');
lower
---------
aúéööéá
(1 row)
teszt=# create or replace function keywords_split(text) returns text as $$
teszt$# return '';
teszt$# $$
teszt-# language plperlu;
CREATE FUNCTION
teszt=# select keywords_split('');
keywords_split
----------------
(1 row)
teszt=# select lower('AúéöÖÉÁ');
lower
---------
aúéöÖÉÁ
(1 row)
Mage
---------------------------(end of broadcast)---------------------------
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