function testPessimisticLockFail()
{
$this->table->attach(new Table\PessimisticLock());
$txn = $this->table->getConnection()->startTransaction();
$row = $this->table->find(null, null, 1)->current();
$row->data = "foo";
executeInConcurrentTransaction($this->table->getQueryExecutor(), "UPDATE {$this->table->getName()} SET data='bar' WHERE id=\$1", array($row->id->get()));
$this->setExpectedException("\\UnexpectedValueException", "Row has already been modified");
$row->update();
$txn->commit();
}
/**
* Delete all rows of this rowset
* @param mixed $txn
* @return \pq\Gateway\Rowset
* @throws \Exception
*/
function delete($txn = true)
{
if ($txn && !$txn instanceof pq\Transaction) {
$txn = $this->table->getConnection()->startTransaction();
}
try {
foreach ($this->rows as $row) {
$row->delete();
}
} catch (\Exception $e) {
if ($txn) {
$txn->rollback();
}
throw $e;
}
if ($txn) {
$txn->commit();
}
return $this;
}
