public function updateRevision($columnPrefix, DatabaseBase $dbw, $continue = null)
{
$rows = $dbw->select('flow_revision', array('rev_id', 'rev_type'), array('rev_id > ' . $dbw->addQuotes($continue), "{$columnPrefix}_id > 0", "{$columnPrefix}_ip IS NOT NULL"), __METHOD__, array('LIMIT' => $this->mBatchSize, 'ORDER BY' => 'rev_id'));
$ids = $objs = array();
foreach ($rows as $row) {
$id = UUID::create($row->rev_id);
$type = self::$types[$row->rev_type];
$om = $this->storage->getStorage($type);
$obj = $om->get($id);
if ($obj) {
$om->merge($obj);
$ids[] = $row->rev_id;
$objs[] = $obj;
} else {
$this->error(__METHOD__ . ": Failed loading {$type}: " . $id->getAlphadecimal());
}
}
if (!$ids) {
return null;
}
$dbw->update('flow_revision', array("{$columnPrefix}_ip" => null), array('rev_id' => $ids), __METHOD__);
foreach ($objs as $obj) {
$this->storage->cachePurge($obj);
}
$this->completeCount += count($ids);
return end($ids);
}
