Function copy_and_check_auth

sql/sql_acl.cc:7320–7334

}

static bool copy_and_check_auth(LEX_USER *to, LEX_USER *from, THD *thd)
{
  to->auth= from->auth;

  // if changing auth for an existing user
  if (has_auth(to, thd->lex) && find_user_exact(to->host, to->user))
  {
    mysql_mutex_unlock(&acl_cache->lock);
    bool res= check_alter_user(thd, to->host, to->user);
    mysql_mutex_lock(&acl_cache->lock);
    return res;
  }

  return false;
}


/*