From 546762ec5ca29442c9f4f4c84a5931a25dd562b4 Mon Sep 17 00:00:00 2001
From: Hamish Friedlander <hamish@silverstripe.com>
Date: Wed, 12 Dec 2012 17:35:46 +1300
Subject: [PATCH] FIX use of DataList#innerJoin expecting it to be mutable

---
 tasks/MigrateSiteTreeLinkingTask.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/MigrateSiteTreeLinkingTask.php b/tasks/MigrateSiteTreeLinkingTask.php
index 2ffa0bfe..170c5661 100644
--- a/tasks/MigrateSiteTreeLinkingTask.php
+++ b/tasks/MigrateSiteTreeLinkingTask.php
@@ -16,7 +16,7 @@ class MigrateSiteTreeLinkingTask extends BuildTask {
 		$links = 0;
 
 		$linkedPages = new DataList('SiteTree');
-		$linkedPages->innerJoin('SiteTree_LinkTracking', '"SiteTree_LinkTracking"."SiteTreeID" = "SiteTree"."ID"');
+		$linkedPages = $linkedPages->innerJoin('SiteTree_LinkTracking', '"SiteTree_LinkTracking"."SiteTreeID" = "SiteTree"."ID"');
 		if($linkedPages) foreach($linkedPages as $page) {
 			$tracking = DB::query(sprintf('SELECT "ChildID", "FieldName" FROM "SiteTree_LinkTracking" WHERE "SiteTreeID" = %d', $page->ID))->map();