Method get_next_key

sql/sql_join_cache.cc:3467–3479

*/

uint JOIN_CACHE_HASHED::get_next_key(uchar ** key)
{  
  if (curr_key_entry == last_key_entry)
    return 0;

  curr_key_entry-= key_entry_length;

  *key = use_emb_key ? get_emb_key(curr_key_entry) : curr_key_entry;

  DBUG_ASSERT(*key >= buff && *key < hash_table);

  return key_length;
}


/*