Andreas Schmitz <[EMAIL PROTECTED]> writes:
> I have a problem with select lower() using capital letters with diaeresis. I
> tried with encoding SQL_ASCII und UNICODE.
upper/lower currently only work with single-byte characters, so you need
to use one of the LATINn database encodings rather than UNICODE if you
want this functionality.
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
