[Nepomuk] BUG?: IN013: Wide source charset specified, but the supplied string not wide

[Ignacio Serantes]

Hi,

I'm testing git source and when I try a search using KRunner I get an error:

*iODBC Error: [OpenLink][Virtuoso iODBC Driver][Virtuoso Server]IN013: Wide
source charset specified, but the supplied string not wide
*

This seems to be related to recent changes to fix unicode problems because
the error is located in the SPARQL query here:

charset_recode('utada', '_WIDE_', 'UTF-8')

Maybe the problem is that the unicode fix require compiling other KDE
modules and I'm only compiling nepomuk_core but, would be safer adding a
simple check if string is _WIDE_ before generate the query to avoid a
virtuoso error?

If I search a word with non ascii characters, like "宇多田", seems like there
is a crash and no query is generated.

-- 
Best wishes,
Ignacio
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