Method send_eof

sql/sql_class.cc:3427–3467

bool select_send::send_eof()
{
  /*
    Don't send EOF if we're in error condition (which implies we've already
    sent or are sending an error)
  */
  if (thd->is_error() || wsrep_thd_is_aborting(thd))
  {
    reset_for_next_ps_execution();
    return TRUE;
  }

  ::my_eof(thd);

  if (unlikely(thd->lex->sql_command != SQLCOM_SELECT))
    goto end;                                   // For DELETE RETURNING

  /*
    A WSREP connection may encounter a deadlock error because of MDL
    conflict after the early eof is sent below. Therefore the early eof
    is unsafe for WSREP.
   */
  if (WSREP(thd))
    goto end;

  if (likely(!thd->transaction->stmt.is_trx_read_write()))
  {
    /*
      We are executing a readonly statement. Send the result to the
      client so that it can process the data while the server is doing
      cleanups.
    */
    thd->push_final_warnings();
    thd->update_server_status();       // Needed for slow query status
    thd->protocol->end_statement();
  }

end:
  reset_for_next_ps_execution();
  return FALSE;
}


/************************************************************************