"PostgreSQL Bugs List" <[EMAIL PROTECTED]> writes:
> Description: Two different Unicode chars are treated as equal in a
> query
This would be a matter to take up with the maintainer of your locale
(which you didn't mention, but in any case it's a locale bug). We
just do what strcoll() tells us.
Note that it's possible this is a configuration error and not an
outright bug. Check to make sure that the locale you initdb'd
under is actually designed to work with UTF-8 data.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
