/**
* Grab a PDOStatement object from a given query and its arguments.
*
* Some drivers (including SQLite) will need to perform some preparation
* themselves to get the statement right.
*
* @param $query
* The query.
* @param array $args
* An array of arguments.
* @return \PDOStatement
* A PDOStatement object.
*/
protected function getStatement($query, &$args = array())
{
return $this->dbh->prepare($query);
}
/**
* Internal function: prepare a query by calling PDO directly.
*
* This function has to be public because it is called by other parts of the
* database layer, but do not call it directly, as you risk locking down the
* PHP process.
*/
public function PDOPrepare($query, array $options = array()) {
// Preprocess the query.
if (!$this->bypassQueryPreprocess) {
$query = $this->preprocessQuery($query);
}
// You can set the MSSQL_APPEND_CALLSTACK_COMMENT to TRUE
// to append to each query, in the form of comments, the current
// backtrace plus other details that aid in debugging deadlocks
// or long standing locks. Use in combination with MSSQL profiler.
global $conf;
if (DatabaseUtils::GetConfigBoolean('MSSQL_APPEND_CALLSTACK_COMMENT') == TRUE) {
global $user;
$trim = strlen(DRUPAL_ROOT);
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
static $request_id;
if (empty($request_id)) {
$request_id = uniqid('', TRUE);
}
// Remove las item (it's alwasy PDOPrepare)
$trace = array_splice($trace, 1);
$comment = PHP_EOL . PHP_EOL;
$comment .= '-- uid:' . (empty($user) ? 'null' : $user->uid) . PHP_EOL;
$uri = (isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : 'none') ;
$uri = preg_replace("/[^a-zA-Z0-9]/i", "_", $uri);
$comment .= '-- url:' . $uri . PHP_EOL;
//$comment .= '-- request_id:' . $request_id . PHP_EOL;
foreach ($trace as $t) {
$function = isset($t['function']) ? $t['function'] : '';
$file = '';
if(isset($t['file'])) {
$len = strlen($t['file']);
if ($len > $trim) {
$file = substr($t['file'], $trim, $len - $trim) . " [{$t['line']}]";
}
}
$comment .= '-- ' . str_pad($function, 35) . ' ' . $file . PHP_EOL;
}
$query = $comment . PHP_EOL . $query;
}
return parent::prepare($query, $options);
}