/**
* Executes query without caching, completely ignored by cache
*
* @param string $query
* @return integer
*/
function query_nocache($query)
{
$return_val = parent::query($query);
return $return_val;
}
/**
* Executes query
*
* @param string $query
* @return integer
*/
function query($query)
{
if (!$this->ready) {
return false;
}
$reason = '';
$cached = false;
$data = false;
$time_total = 0;
$this->query_total++;
$caching = $this->_can_cache($query, $reason);
if ($caching) {
$this->timer_start();
$cache_key = $this->_get_cache_key($query);
$cache =& $this->_get_cache();
$data = $cache->get($cache_key);
$time_total = $this->timer_stop();
}
if (is_array($data)) {
$cached = true;
$this->query_hits++;
$this->last_error = $data['last_error'];
$this->last_query = $data['last_query'];
$this->last_result = $data['last_result'];
$this->col_info = $data['col_info'];
$this->num_rows = $data['num_rows'];
$return_val = $data['return_val'];
} else {
$this->query_misses++;
$this->timer_start();
$return_val = parent::query($query);
$time_total = $this->timer_stop();
if ($caching) {
$data = array('last_error' => $this->last_error, 'last_query' => $this->last_query, 'last_result' => $this->last_result, 'col_info' => $this->col_info, 'num_rows' => $this->num_rows, 'return_val' => $return_val);
$cache =& $this->_get_cache();
$cache->set($cache_key, $data, $this->_lifetime);
}
}
if ($this->_config->get_boolean('dbcache.debug')) {
$this->query_stats[] = array('query' => $query, 'caching' => $caching, 'reason' => $reason, 'cached' => $cached, 'data_size' => $data ? strlen(serialize($data)) : 0, 'time_total' => $time_total);
}
$this->time_total += $time_total;
return $return_val;
}
/**
* Default implementation, calls wp_db apropriate method
*/
function default_db_version($dbh_or_table = false)
{
return parent::db_version($dbh_or_table);
}
