code: def get_create_primary_key_sql(self, index, table):
          
          return "ALTER TABLE %s ADD PRIMARY KEY (%s)" % (
              table,
              self.get_index_field_declaration_list_sql(index.get_quoted_columns(self)),
          )
docs: Returns the SQL to create an unnamed primary key constraint.
  
          :param index: The index
          :type index: Index
  
          :param table: The table
          :type table: Table or str
  
          :rtype: str