public function testFindPartialEmbeddedQueryTargetLinksHashListFor()
{
$row = new \stdClass();
$row->s_id = 1001;
$idTable = $this->getMockBuilder('\\stdClass')->setMethods(array('getDataItemPoolHashListFor'))->getMock();
$idTable->expects($this->once())->method('getDataItemPoolHashListFor');
$connection = $this->getMockBuilder('\\SMW\\MediaWiki\\Database')->disableOriginalConstructor()->getMock();
$connection->expects($this->once())->method('select')->with($this->equalTo(\SMWSQLStore3::QUERY_LINKS_TABLE), $this->anything(), $this->equalTo(array('o_id' => array(42))))->will($this->returnValue(array($row)));
$connectionManager = $this->getMockBuilder('\\SMW\\ConnectionManager')->disableOriginalConstructor()->getMock();
$connectionManager->expects($this->any())->method('getConnection')->will($this->returnValue($connection));
$store = $this->getMockBuilder('\\SMW\\SQLStore\\SQLStore')->disableOriginalConstructor()->setMethods(array('getObjectIds'))->getMockForAbstractClass();
$store->setConnectionManager($connectionManager);
$store->expects($this->any())->method('getObjectIds')->will($this->returnValue($idTable));
$dependencyLinksTableUpdater = $this->getMockBuilder('\\SMW\\SQLStore\\QueryDependency\\DependencyLinksTableUpdater')->disableOriginalConstructor()->getMock();
$dependencyLinksTableUpdater->expects($this->any())->method('getStore')->will($this->returnValue($store));
$queryResultDependencyListResolver = $this->getMockBuilder('\\SMW\\SQLStore\\QueryDependency\\QueryResultDependencyListResolver')->disableOriginalConstructor()->getMock();
$instance = new QueryDependencyLinksStore($queryResultDependencyListResolver, $dependencyLinksTableUpdater);
$requestOptions = new RequestOptions();
$requestOptions->setLimit(1);
$requestOptions->setOffset(200);
$instance->findEmbeddedQueryTargetLinksHashListFor(array(42), $requestOptions);
}
public function testOffset()
{
$instance = new RequestOptions();
$instance->setOffset(42);
$this->assertEquals(42, $instance->getOffset());
}
/**
* Based on the CHUNK_SIZE, target links are purged in an instant if those
* selected entities are < CHUNK_SIZE which should be enough for most
* common queries that only share a limited amount of dependencies, yet for
* queries that expect a large subject/dependency pool, doing an online update
* for all at once is not feasible hence the iterative process of creating
* batches that run through the job scheduler.
*
* @param array|string $idList
*/
private function findEmbeddedQueryTargetLinksBatches($idList)
{
if (is_string($idList) && strpos($idList, '|') !== false) {
$idList = explode('|', $idList);
}
if ($idList === array()) {
return true;
}
$queryDependencyLinksStoreFactory = new QueryDependencyLinksStoreFactory();
$queryDependencyLinksStore = $queryDependencyLinksStoreFactory->newQueryDependencyLinksStore($this->store);
$requestOptions = new RequestOptions();
// +1 to look ahead
$requestOptions->setLimit($this->limit + 1);
$requestOptions->setOffset($this->offset);
$hashList = $queryDependencyLinksStore->findEmbeddedQueryTargetLinksHashListFor($idList, $requestOptions);
if ($hashList === array()) {
return true;
}
$countedHashListEntries = count($hashList);
// If more results are available then use an iterative increase to fetch
// the remaining updates by creating successive jobs
if ($countedHashListEntries > $this->limit) {
$job = new self($this->getTitle(), array('idlist' => $idList, 'limit' => $this->limit, 'offset' => $this->offset + self::CHUNK_SIZE));
$job->run();
}
wfDebugLog('smw', __METHOD__ . " counted: {$countedHashListEntries} | offset: {$this->offset} for " . $this->getTitle()->getPrefixedDBKey() . "\n");
list($hashList, $queryList) = $this->doBuildUniqueTargetLinksHashList($hashList);
$this->applicationFactory->singleton('CachedQueryResultPrefetcher')->resetCacheBy($queryList);
$this->addPagesToUpdater($hashList);
}
