code: def _custom_items(self, restrictions):
          
          def scope_name(query, table):
              # The first entry in the query is the column
              # If the column already has a ".", that means that the table has
              # already been chosen
              for splitter in (" and ", " or "):
                  split_query = re.split(splitter, query, re.IGNORECASE)
                  query = splitter.join("{}.{}".format(table, entry)
                                        if "." not in entry else entry
                                        for entry in split_query)
              return query
  
          names = [scope_name(restriction[0], self.table_name)
                   for restriction in restrictions]
          values = list(chain(
              *[restriction[1:] for restriction in restrictions]))
          return (names, values)
docs: Generate argument pairs for queries like where("id > ?", 7)