Re: BUG #2554: ILIKE operator works incorrectly

Peter Eisentraut <peter_e@gmx.net> writes:
> JarosÅaw Bojar wrote:
>> ILIKE operator works incorrectly with UTF8 encoding and Polish
>> characters.

> What does SHOW lc_collate say?

Even if the locale is set right, iwchareq() is completely broken
for multibyte charsets: it's trying to apply the system's tolower()
to a pg_wchar, which is highly unlikely to work.  This has been a
known problem for awhile, but no one's stepped up to fix it.

            regards, tom lane