--- /dev/null
+use SQL::Abstract::ExtraClauses;
+use Devel::Dwarn;
+
+warn $ARGV[1];
+
+my @args = eval '('.$ARGV[1].')';
+
+die $@ if $@;
+
+my $sqlac = SQL::Abstract::ExtraClauses->new(unknown_unop_always_func => 1);
+
+Dwarn([ $sqlac->${\$ARGV[0]}(@args) ]);