Function derived_table_optimization_done

sql/table.cc:10125–10135

*/

static inline bool derived_table_optimization_done(TABLE_LIST *table)
{
  SELECT_LEX_UNIT *derived= (table->derived ?
                             table->derived :
                             (table->view ?
                              &table->view->unit:
                              NULL));
  return derived &&
      (derived->is_excluded() ||
       table->is_materialized_derived());
}


/**