protected function populateCreatedAt()
{
Table2Query::create()->deleteAll();
$ts = new PropelObjectCollection();
$ts->setModel('Table2');
for ($i = 0; $i < 10; $i++) {
$t = new Table2();
$t->setTitle('CreatedAt' . $i);
$t->setCreatedAt(time() - $i * 24 * 60 * 60 - 30);
$ts[] = $t;
}
$ts->save();
}
