/**
* @see LoggedUpdateMaintenance::doDBUpdates
*
* @throws EntityIdParsingException
* @return bool
*/
public function doDBUpdates()
{
if (!defined('WB_VERSION')) {
$this->error("You need to have Wikibase enabled in order to use this maintenance script!", 1);
}
$idParser = WikibaseRepo::getDefaultInstance()->getEntityIdParser();
$startItemOption = $this->getOption('start-item');
$startItem = $startItemOption === null ? null : $idParser->parse($startItemOption);
if ($startItem !== null && !$startItem instanceof ItemId) {
throw new EntityIdParsingException('Not an Item ID: ' . $startItemOption);
}
$verbose = (bool) $this->getOption('verbose', false);
$reporter = new ObservableMessageReporter();
$reporter->registerReporterCallback(array($this, 'report'));
$builder = new ChangesSubscriptionTableBuilder(wfGetLB(), 'wb_changes_subscription', $this->mBatchSize, $verbose ? 'verbose' : 'standard');
$builder->setProgressReporter($reporter);
$builder->setExceptionHandler(new ReportingExceptionHandler($reporter));
$builder->fillSubscriptionTable($startItem);
return true;
}
