/**
* sends query to database - this is the private one that must work
* - internal functions use this rather than $this->query()
*
* Overridden to do logging.
*
* @param string $string
* @access private
* @return mixed none or PEAR_Error
*/
function _query($string)
{
if (common_config('db', 'annotate_queries')) {
$string = $this->annotateQuery($string);
}
$start = microtime(true);
$result = null;
if (Event::handle('StartDBQuery', array($this, $string, &$result))) {
common_perf_counter('query', $string);
$result = parent::_query($string);
Event::handle('EndDBQuery', array($this, $string, &$result));
}
$delta = microtime(true) - $start;
$limit = common_config('db', 'log_slow_queries');
if ($limit > 0 && $delta >= $limit || common_config('db', 'log_queries')) {
$clean = $this->sanitizeQuery($string);
common_log(LOG_DEBUG, sprintf("DB query (%0.3fs): %s", $delta, $clean));
}
return $result;
}
/**
* sends query to database - this is the private one that must work
* - internal functions use this rather than $this->query()
*
* Overridden to do logging.
*
* @param string $string
* @access private
* @return mixed none or PEAR_Error
*/
function _query($string)
{
if (common_config('db', 'annotate_queries')) {
$string = $this->annotateQuery($string);
}
$start = microtime(true);
$fail = false;
$result = null;
if (Event::handle('StartDBQuery', array($this, $string, &$result))) {
common_perf_counter('query', $string);
try {
$result = parent::_query($string);
} catch (Exception $e) {
$fail = $e;
}
Event::handle('EndDBQuery', array($this, $string, &$result));
}
$delta = microtime(true) - $start;
$limit = common_config('db', 'log_slow_queries');
if ($limit > 0 && $delta >= $limit || common_config('db', 'log_queries')) {
$clean = $this->sanitizeQuery($string);
if ($fail) {
$msg = sprintf("FAILED DB query (%0.3fs): %s - %s", $delta, $fail->getMessage(), $clean);
} else {
$msg = sprintf("DB query (%0.3fs): %s", $delta, $clean);
}
common_log(LOG_DEBUG, $msg);
}
if ($fail) {
throw $fail;
}
return $result;
}
/**
* Delete the value associated with a key
*
* @param string $key Key to delete
*
* @return boolean success flag
*/
function delete($key)
{
$success = false;
common_perf_counter('Cache::delete', $key);
if (Event::handle('StartCacheDelete', array(&$key, &$success))) {
if (array_key_exists($key, $this->_items)) {
unset($this->_items[$key]);
}
$success = true;
Event::handle('EndCacheDelete', array($key));
}
return $success;
}
