lib/searchlogic/condition/blank.rb in searchlogic-1.6.0 vs lib/searchlogic/condition/blank.rb in searchlogic-1.6.1

@@ -9,12 +9,12 @@
         end
       end
       
       def to_conditions(value)
         if value == true
-          "#{column_sql} IS NULL or #{column_sql} = '' or #{column_sql} = false"
+          "(#{column_sql} IS NULL or #{column_sql} = '' or #{column_sql} = false)"
         elsif value == false
-          "#{column_sql} IS NOT NULL and #{column_sql} != '' and #{column_sql} != false"
+          "(#{column_sql} IS NOT NULL and #{column_sql} != '' and #{column_sql} != false)"
         end
       end
     end
   end
 end
\ No newline at end of file