Function tdc_remove_table

sql/table_cache.cc:1050–1089

*/

void tdc_remove_table(THD *thd, const char *db, const char *table_name)
{
  TDC_element *element;
  DBUG_ENTER("tdc_remove_table");
  DBUG_PRINT("enter", ("name: %s", table_name));

  DBUG_ASSERT(thd->mdl_context.is_lock_owner(MDL_key::TABLE, db, table_name,
                                             MDL_EXCLUSIVE));

  mysql_mutex_lock(&LOCK_unused_shares);
  if (!(element= tdc_lock_share(thd, db, table_name)))
  {
    mysql_mutex_unlock(&LOCK_unused_shares);
    DBUG_VOID_RETURN;
  }

  DBUG_ASSERT(element != MY_ERRPTR); // What can we do about it?

  if (!element->ref_count)
  {
    if (element->prev)
    {
      unused_shares.remove(element);
      element->prev= 0;
      element->next= 0;
    }
    mysql_mutex_unlock(&LOCK_unused_shares);

    tdc_delete_share_from_hash(element);
    DBUG_VOID_RETURN;
  }
  mysql_mutex_unlock(&LOCK_unused_shares);

  element->ref_count++;
  mysql_mutex_unlock(&element->LOCK_table_share);

  /* We have to relock the mutex to avoid code duplication. Sigh. */
  tdc_remove_referenced_share(thd, element->share);
  DBUG_VOID_RETURN;
}


/**