/**
* @param array $pages Map of (page ID => (namespace, DB key)) entries
*/
protected function invalidateTitles(array $pages)
{
global $wgUpdateRowsPerQuery, $wgUseFileCache;
// Get all page IDs in this query into an array
$pageIds = array_keys($pages);
if (!$pageIds) {
return;
}
// The page_touched field will need to be bumped for these pages.
// Only bump it to the present time if no "rootJobTimestamp" was known.
// If it is known, it can be used instead, which avoids invalidating output
// that was in fact generated *after* the relevant dependency change time
// (e.g. template edit). This is particularily useful since refreshLinks jobs
// save back parser output and usually run along side htmlCacheUpdate jobs;
// their saved output would be invalidated by using the current timestamp.
if (isset($this->params['rootJobTimestamp'])) {
$touchTimestamp = $this->params['rootJobTimestamp'];
} else {
$touchTimestamp = wfTimestampNow();
}
$dbw = wfGetDB(DB_MASTER);
// Update page_touched (skipping pages already touched since the root job).
// Check $wgUpdateRowsPerQuery for sanity; batch jobs are sized by that already.
foreach (array_chunk($pageIds, $wgUpdateRowsPerQuery) as $batch) {
$dbw->commit(__METHOD__, 'flush');
wfGetLBFactory()->waitForReplication();
$dbw->update('page', ['page_touched' => $dbw->timestamp($touchTimestamp)], ['page_id' => $batch, "page_touched < " . $dbw->addQuotes($dbw->timestamp($touchTimestamp))], __METHOD__);
}
// Get the list of affected pages (races only mean something else did the purge)
$titleArray = TitleArray::newFromResult($dbw->select('page', ['page_namespace', 'page_title'], ['page_id' => $pageIds, 'page_touched' => $dbw->timestamp($touchTimestamp)], __METHOD__));
// Update CDN
$u = CdnCacheUpdate::newFromTitles($titleArray);
$u->doUpdate();
// Update file cache
if ($wgUseFileCache) {
foreach ($titleArray as $title) {
HTMLFileCache::clearFileCache($title);
}
}
}
/**
* @param array $pages Map of (page ID => (namespace, DB key)) entries
*/
protected function invalidateTitles(array $pages)
{
global $wgUpdateRowsPerQuery, $wgUseFileCache;
// Get all page IDs in this query into an array
$pageIds = array_keys($pages);
if (!$pageIds) {
return;
}
// Bump page_touched to the current timestamp. This used to use the root job timestamp
// (e.g. template/file edit time), which was a bit more efficient when template edits are
// rare and don't effect the same pages much. However, this way allows for better
// de-duplication, which is much more useful for wikis with high edit rates. Note that
// RefreshLinksJob, which is enqueued alongside HTMLCacheUpdateJob, saves the parser output
// since it has to parse anyway. We assume that vast majority of the cache jobs finish
// before the link jobs, so using the current timestamp instead of the root timestamp is
// not expected to invalidate these cache entries too often.
$touchTimestamp = wfTimestampNow();
$dbw = wfGetDB(DB_MASTER);
$factory = wfGetLBFactory();
$ticket = $factory->getEmptyTransactionTicket(__METHOD__);
// Update page_touched (skipping pages already touched since the root job).
// Check $wgUpdateRowsPerQuery for sanity; batch jobs are sized by that already.
foreach (array_chunk($pageIds, $wgUpdateRowsPerQuery) as $batch) {
$factory->commitAndWaitForReplication(__METHOD__, $ticket);
$dbw->update('page', ['page_touched' => $dbw->timestamp($touchTimestamp)], ['page_id' => $batch, "page_touched < " . $dbw->addQuotes($dbw->timestamp($touchTimestamp))], __METHOD__);
}
// Get the list of affected pages (races only mean something else did the purge)
$titleArray = TitleArray::newFromResult($dbw->select('page', ['page_namespace', 'page_title'], ['page_id' => $pageIds, 'page_touched' => $dbw->timestamp($touchTimestamp)], __METHOD__));
// Update CDN
$u = CdnCacheUpdate::newFromTitles($titleArray);
$u->doUpdate();
// Update file cache
if ($wgUseFileCache) {
foreach ($titleArray as $title) {
HTMLFileCache::clearFileCache($title);
}
}
}
