From 183851b06bd6c52f3cae5375f433da720d410447 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 11 Oct 2006 18:12:39 +0000
Subject: MediaWiki 1.7.1 wiederhergestellt

---
 maintenance/archives/rebuildRecentchanges.inc | 122 ++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 maintenance/archives/rebuildRecentchanges.inc

(limited to 'maintenance/archives/rebuildRecentchanges.inc')

diff --git a/maintenance/archives/rebuildRecentchanges.inc b/maintenance/archives/rebuildRecentchanges.inc
new file mode 100644
index 00000000..54f6cb38
--- /dev/null
+++ b/maintenance/archives/rebuildRecentchanges.inc
@@ -0,0 +1,122 @@
+<?php
+/**
+ * Rebuild recent changes table
+ *
+ * @deprecated
+ * @package MediaWiki
+ * @subpackage MaintenanceArchive
+ */
+
+/** */
+function rebuildRecentChangesTable()
+{
+	$sql = "DROP TABLE IF EXISTS recentchanges";
+	wfQuery( $sql );
+
+	$sql = "CREATE TABLE recentchanges (
+  rc_timestamp varchar(14) binary NOT NULL default '',
+  rc_cur_time varchar(14) binary NOT NULL default '',
+  rc_user int(10) unsigned NOT NULL default '0',
+  rc_user_text varchar(255) binary NOT NULL default '',
+  rc_namespace tinyint(3) unsigned NOT NULL default '0',
+  rc_title varchar(255) binary NOT NULL default '',
+  rc_comment varchar(255) binary NOT NULL default '',
+  rc_minor tinyint(3) unsigned NOT NULL default '0',
+  rc_new tinyint(3) unsigned NOT NULL default '0',
+  rc_cur_id int(10) unsigned NOT NULL default '0',
+  rc_this_oldid int(10) unsigned NOT NULL default '0',
+  rc_last_oldid int(10) unsigned NOT NULL default '0',
+  INDEX rc_cur_id (rc_cur_id),
+  INDEX rc_cur_time (rc_cur_time),
+  INDEX rc_timestamp (rc_timestamp),
+  INDEX rc_namespace (rc_namespace),
+  INDEX rc_title (rc_title)
+) TYPE=MyISAM PACK_KEYS=1;";
+	wfQuery( $sql );
+
+	print( "Loading from CUR table...\n" );
+
+	$sql = "INSERT INTO recentchanges (rc_timestamp,rc_cur_time,rc_user," .
+	  "rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_new," .
+	  "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT cur_timestamp," .
+	  "cur_timestamp,cur_user,cur_user_text,cur_namespace,cur_title," .
+	  "cur_comment,cur_minor_edit,cur_is_new,cur_id,0,0 FROM cur " .
+	  "ORDER BY cur_timestamp DESC LIMIT 5000";
+	wfQuery( $sql );
+
+	print( "Loading from OLD table...\n" );
+
+	$sql = "INSERT INTO recentchanges (rc_timestamp,rc_cur_time,rc_user," .
+      "rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_new," .
+      "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT old_timestamp,''," .
+	  "old_user,old_user_text,old_namespace,old_title,old_comment," .
+	  "old_minor_edit,0,0,old_id,0 FROM old ORDER BY old_timestamp " .
+	  "DESC LIMIT 5000";
+	wfQuery( $sql );
+
+	$sql = "SELECT rc_timestamp FROM recentchanges " .
+	  "ORDER BY rc_timestamp DESC LIMIT 5000,1";
+	$res = wfQuery( $sql );
+	$obj = wfFetchObject( $res );
+	$ts = $obj->rc_timestamp;
+
+	$sql = "DELETE FROM recentchanges WHERE rc_timestamp < '{$ts}'";
+	wfQuery( $sql );
+
+	rebuildRecentChangesTablePass2();
+}
+
+function rebuildRecentChangesTablePass2()
+{
+	$ns = $id = $count = 0;
+	$title = $ct =  "";
+
+	print( "Updating links...\n" );
+
+	$sql = "SELECT rc_namespace,rc_title,rc_timestamp FROM recentchanges " .
+	  "ORDER BY rc_namespace,rc_title,rc_timestamp DESC";
+	$res = wfQuery( $sql );
+
+	while ( $obj = wfFetchObject( $res ) ) {
+		if ( ! ( $ns == $obj->rc_namespace &&
+			   0 == strcmp( $title, wfStrencode( $obj->rc_title ) ) ) ) {
+
+			$ns = $obj->rc_namespace;
+			$title = wfStrencode( $obj->rc_title );
+
+			$sql = "SELECT cur_id,cur_timestamp FROM cur WHERE " .
+			  "cur_namespace={$ns} AND cur_title='{$title}'";
+			$res2 = wfQuery( $sql );
+			$obj2 = wfFetchObject( $res2 );
+
+			$id = $obj2->cur_id;
+			$ct = $obj2->cur_timestamp;
+		}
+		$sql = "SELECT old_id FROM old WHERE old_namespace={$ns} " .
+		  "AND old_title='{$title}' AND old_timestamp < '" .
+		  "{$obj->rc_timestamp}' ORDER BY old_timestamp DESC LIMIT 1";
+		$res2 = wfQuery( $sql );
+
+		if ( 0 != wfNumRows( $res2 ) ) {
+			$obj2 = wfFetchObject( $res2 );
+
+			$sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
+			  "'{$ct}',rc_last_oldid={$obj2->old_id} WHERE " .
+			  "rc_namespace={$ns} AND rc_title='{$title}' AND " .
+			  "rc_timestamp='{$obj->rc_timestamp}'";
+			wfQuery( $sql );
+		} else {
+			$sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
+			  "'{$ct}' WHERE rc_namespace={$ns} AND rc_title='{$title}' " .
+			  "AND rc_timestamp='{$obj->rc_timestamp}'";
+			wfQuery( $sql );
+		}
+
+		if ( 0 == ( ++$count % 500 ) ) {
+			printf( "%d records processed.\n", $count );
+		}
+	}
+}
+
+
+?>
-- 
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