I haven't used DBIx::Class in years, but...
Unknown column 'LOWER(me.name)'
This error message suggests to me that your field names get quoted, so it's possible to use column names with spaces and/or reserved words, which is a good thing, but which prevents hacks like these.

I am guessing that there is a setting you set in DBIx::Class that enables this column name quoting. If you find out what setting, you could (temporarily) disable it.

update A little bit of searching with Google and I have found something: quote_names

quote_names
When true automatically sets "quote_char" and "name_sep" to the characters appropriate for your particular RDBMS. This option is preferred over specifying "quote_char" directly.
Some forum questions suggest that if quote_char and name_sep are set, DBIx::Class will automatically use them.

In reply to Re: DBIx::Class case insensitve substring search. by bart
in thread DBIx::Class case insensitve substring search. by chrestomanci

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