The following bug has been logged on the website:
Bug reference: 7913
Logged by: TO_CHAR Function & Turkish collate
Email address: a_dursun(at)hotmail(dot)com
PostgreSQL version: 9.2.0
Operating system: Linux
Description:
prod=# SELECT TO_CHAR('2013-03-01'::date,'DAY');
to_char
----------
FRİDAY
(1 row)
But it must return as FRIDAY.
Our database lc_collate is tr_TR.UTF-8 and encoding is UTF8.
Best regards,
Adnan DURSUN
Ankar/TURKEY