From: Timo Tijhof <krinklemail@gmail.com>
Date: Fri, 6 Oct 2017 00:25:50 +0000 (+0100)
Subject: installer: Add comments to purgeCache()
X-Git-Tag: 1.31.0-rc.0~1850^2
X-Git-Url: http://git.cyclocoop.org/%7B%24www_url%7Dadmin/password.php?a=commitdiff_plain;h=522b2908f334f906b3cca8ad9da1df2551c75e05;p=lhc%2Fweb%2Fwiklou.git

installer: Add comments to purgeCache()

Change-Id: I791f220b49e3e1c7d6df9ccab7d70ff8a0031ef1
---

diff --git a/includes/installer/DatabaseUpdater.php b/includes/installer/DatabaseUpdater.php
index 752bc5445b..a317822c0a 100644
--- a/includes/installer/DatabaseUpdater.php
+++ b/includes/installer/DatabaseUpdater.php
@@ -988,19 +988,27 @@ abstract class DatabaseUpdater {
 	}
 
 	/**
-	 * Purge the objectcache table
+	 * Purge various database caches
 	 */
 	public function purgeCache() {
 		global $wgLocalisationCacheConf;
-		# We can't guarantee that the user will be able to use TRUNCATE,
-		# but we know that DELETE is available to us
+		// We can't guarantee that the user will be able to use TRUNCATE,
+		// but we know that DELETE is available to us
 		$this->output( "Purging caches..." );
+
+		// ObjectCache
 		$this->db->delete( 'objectcache', '*', __METHOD__ );
+
+		// LocalisationCache
 		if ( $wgLocalisationCacheConf['manualRecache'] ) {
 			$this->rebuildLocalisationCache();
 		}
+
+		// ResourceLoader: Message cache
 		$blobStore = new MessageBlobStore();
 		$blobStore->clear();
+
+		// ResourceLoader: File-dependency cache
 		$this->db->delete( 'module_deps', '*', __METHOD__ );
 		$this->output( "done.\n" );
 	}