/**
* Update the DB based on previously recorded changes
*/
function dbupdate()
{
global $DB;
$DB->begin();
parent::dbupdate();
if (isset($this->CollectionSettings)) {
$this->CollectionSettings->dbupdate();
}
$DB->commit();
}
/**
* Update the DB based on previously recorded changes
*/
function dbupdate()
{
global $DB, $Plugins, $servertimenow;
$DB->begin();
parent::dbupdate();
// if this blog settings was modified we need to invalidate this blog's page caches
// this way all existing cached page on this blog will be regenerated during next display
// TODO: Ideally we want to detect if the changes are minor/irrelevant to caching and not invalidate the page cache if not necessary.
// In case of doubt (and for unknown changes), it's better to invalidate.
$this->set_setting('last_invalidation_timestamp', $servertimenow);
if (isset($this->CollectionSettings)) {
$this->CollectionSettings->dbupdate();
}
$Plugins->trigger_event('AfterCollectionUpdate', $params = array('Blog' => &$this));
$DB->commit();
// Thick grained invalidation:
// This collection has been modified, cached content depending on it should be invalidated:
BlockCache::invalidate_key('coll_ID', $this->ID);
// Fine grained invalidation:
// EXPERIMENTAL: Below are more granular invalidation dates:
BlockCache::invalidate_key('set_coll_ID', $this->ID);
// Settings have changed
BlockCache::invalidate_key('set_coll_ID', 'any');
// Settings of a have changed (for widgets tracking a change on ANY blog)
// cont_coll_ID // Content has not changed
}
