From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Sat, 21 Apr 2007 20:30:57 +0000 (+0000)
Subject: *Add a batch updater to move remaining page_restrictions values in page to the page_r... 
X-Git-Tag: 1.31.0-rc.0~53298
X-Git-Url: http://git.cyclocoop.org/fichier?a=commitdiff_plain;h=28df3d07e646e21ba2214827c16b446151c15db3;p=lhc%2Fweb%2Fwiklou.git

*Add a batch updater to move remaining page_restrictions values in page to the page_restrictions table
---

diff --git a/maintenance/updateRestrictions.php b/maintenance/updateRestrictions.php
new file mode 100644
index 0000000000..7a26da4e3a
--- /dev/null
+++ b/maintenance/updateRestrictions.php
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * Makes the required database changes for the CheckUser extension
+ */
+
+define( 'BATCH_SIZE', 100 );
+
+require_once 'commandLine.inc';
+	
+$db =& wfGetDB( DB_MASTER );
+if ( !$db->tableExists( 'page_restrictions' ) ) {
+	echo "page_restrictions does not exist\n";
+	exit( 1 );
+}
+
+migrate_page_restrictions( $db );
+
+function migrate_page_restrictions( $db ) {
+	
+	$start = $db->selectField( 'page', 'MIN(page_id)', false, __FUNCTION__ );
+	$end = $db->selectField( 'page', 'MAX(page_id)', false, __FUNCTION__ );
+	$blockStart = $start;
+	$blockEnd = $start + BATCH_SIZE - 1;
+	$encodedExpiry = Block::decodeExpiry('');
+	while ( $blockEnd <= $end ) {
+		$cond = "page_id BETWEEN $blockStart AND $blockEnd AND page_rescrictions !=''";
+		$res = $db->select( 'page', array('page_id', 'page_restrictions'), $cond, __FUNCTION__ );
+		$batch = array();
+		while ( $row = $db->fetchObject( $res ) ) {
+			$oldRestrictions = array();
+			foreach( explode( ':', trim( $row->page_restrictions ) ) as $restrict ) {
+				$temp = explode( '=', trim( $restrict ) );
+				if(count($temp) == 1) {
+					// old old format should be treated as edit/move restriction
+					$oldRestrictions["edit"] = explode( ',', trim( $temp[0] ) );
+					$oldRestrictions["move"] = explode( ',', trim( $temp[0] ) );
+				} else {
+					$oldRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
+				}
+			}
+			# Update restrictions table
+			foreach( $oldRestrictions as $action => $restrictions ) {
+				$batch[] = array( 
+					'pr_page' => $row->page_id,
+					'pr_type' => $action,
+					'pr_level' => $restrictions,
+					'pr_cascade' => 0,
+					'pr_expiry' => $encodedExpiry
+				);
+			}
+			# Update page record
+			$db->update( 'page',
+				array( /* SET */
+					'page_restrictions' => ''
+				), array( /* WHERE */
+					'page_id' => $row->page_id
+				), 'migrate_restrictions'
+			);
+		}
+		# We use insert() and not replace() as Article.php replaces
+		# page_restrictions with '' when protected in the restrictions table
+		if ( count( $batch ) ) {
+			$db->insert( 'page_restictions', $batch, __FUNCTION__ );
+		}
+		$blockStart += BATCH_SIZE;
+		$blockEnd += BATCH_SIZE;
+		wfWaitForSlaves( 5 );
+	}
+}
+
+?>