<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def table_schema_call(self, target, cls):
 """Perform a table schema call. We call the callable target with the args and keywords needed for the table defined by cls. This is how we centralize the Table.create and Table ctor calls. """

        index_defs = []
        for name in cls.index_names() or []:
            index_defs.append(GlobalIncludeIndex(
                gsi_name(name),
                parts=[HashKey(name)],
                includes=['value']
            ))

        return target(
            cls.get_table_name(),
            connection=get_conn(),
            schema=[HashKey('id')],
            global_indexes=index_defs or None
        )