Function thd_set_ha_data

sql/sql_class.cc:470–484

*/
extern "C"
void thd_set_ha_data(THD *thd, const struct transaction_participant *hton,
                     const void *ha_data)
{
  plugin_ref *lock= &thd->ha_data[hton->slot].lock;
  mysql_mutex_lock(&thd->LOCK_thd_data);
  thd->ha_data[hton->slot].ha_ptr= const_cast<void*>(ha_data);
  mysql_mutex_unlock(&thd->LOCK_thd_data);
  if (ha_data && !*lock)
    *lock= ha_lock_engine(NULL, (handlerton*) hton);
  else if (!ha_data && *lock)
  {
    plugin_unlock(NULL, *lock);
    *lock= NULL;
  }
}


/**