From 316945a6339230a7dc1db130261686c8c8ebf555 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Sat, 24 Sep 2005 03:44:54 +0000
Subject: [PATCH] * (bug 3182) Clear link cache during import to prevent memory
 leak

---
 RELEASE-NOTES              | 1 +
 includes/SpecialImport.php | 4 ++++
 maintenance/importDump.php | 1 +
 3 files changed, 6 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 72bc19d27b..c59eddb2d7 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -118,6 +118,7 @@ fully support the editing toolbar, but was found to be too confusing.
   by default when 'watchdefault' option is on
 * Skip update of disused 'rc_cur_time' field (todo: discard the field)
 * (bug 3506) Avoid MySQL error when Listusers returns no results
+* (bug 3182) Clear link cache during import to prevent memory leak
 
 
 === Caveats ===
diff --git a/includes/SpecialImport.php b/includes/SpecialImport.php
index 5a7db20180..c36b48bb70 100644
--- a/includes/SpecialImport.php
+++ b/includes/SpecialImport.php
@@ -197,6 +197,10 @@ class WikiRevision {
 			$userText = $this->getUser();
 		}
 
+		// avoid memory leak...?
+		global $wgLinkCache;
+		$wgLinkCache->clear();
+		
 		$article = new Article( $this->title );
 		$pageId = $article->getId();
 		if( $pageId == 0 ) {
diff --git a/maintenance/importDump.php b/maintenance/importDump.php
index 15110ffd21..3a58550c6b 100644
--- a/maintenance/importDump.php
+++ b/maintenance/importDump.php
@@ -45,6 +45,7 @@ class BackupReader {
 	function handleRevision( $rev ) {
 		$title = $rev->getTitle();
 		if (!$title) {
+			$this->progress( "Got bogus revision with null title!" );
 			return;
 		}
 		$display = $title->getPrefixedText();
-- 
2.20.1