public function __construct(kxDB &$connection, $name = NULL)
{
$this->connection =& $connection;
// If there is no transaction depth, then no transaction has started. Name
// the transaction 'drupal_transaction'.
if (!($depth = $connection->transactionDepth())) {
$this->name = 'drupal_transaction';
} elseif (!$name) {
$this->name = 'savepoint_' . $depth;
} else {
$this->name = $name;
}
$this->connection->pushTransaction($this->name);
}
public function pushTransaction($name)
{
if ($this->savepointSupport) {
return parent::pushTransaction($name);
}
if (!$this->supportsTransactions()) {
return;
}
if (isset($this->transactionLayers[$name])) {
throw new DatabaseTransactionNameNonUniqueException($name . " is already in use.");
}
if (!$this->inTransaction()) {
PDO::beginTransaction();
}
$this->transactionLayers[$name] = $name;
}
