don't parenthesise single clause and/or because, well, don't be silly

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index fee1e3f..73032f4 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -1002,7 +1002,9 @@ sub _render_op {
     return (($op eq 'not' || $us ? '('.$final_sql.')' : $final_sql), @bind);
   } else {
      my @parts = map [ $self->_render_expr($_) ], @args;
-     my ($final_sql) = map +($op =~ /^(and|or)$/ ? "( ${_} )" : $_), join(
+     my $is_andor = !!($op =~ /^(and|or)$/);
+     return @{$parts[0]} if $is_andor and @parts == 1;
+     my ($final_sql) = map +($is_andor ? "( ${_} )" : $_), join(
        ($final_op eq ',' ? '' : ' ').$self->_sqlcase($final_op).' ',
        map $_->[0], @parts
      );