<?php
-
-/*
+/**
* Makes the required database updates for Special:ProtectedPages
* to show all protected pages, even ones before the page restrictions
* schema change. All remaining page_restriction column values are moved
* to the new table.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
*/
-define( 'BATCH_SIZE', 100 );
+require_once __DIR__ . '/Maintenance.php';
-require_once 'commandLine.inc';
-
-$db =& wfGetDB( DB_MASTER );
-if ( !$db->tableExists( 'page_restrictions' ) ) {
- echo "page_restrictions does not exist\n";
- exit( 1 );
-}
+/**
+ * Maintenance script that updates page_restrictions table from
+ * old page_restriction column.
+ *
+ * @ingroup Maintenance
+ */
+class UpdateRestrictions extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->addDescription( 'Updates page_restrictions table from old page_restriction column' );
+ $this->setBatchSize( 1000 );
+ }
+
+ public function execute() {
+ $db = $this->getDB( DB_MASTER );
+ if ( !$db->tableExists( 'page_restrictions' ) ) {
+ $this->error( "page_restrictions table does not exist", true );
+ }
-migrate_page_restrictions( $db );
+ $start = $db->selectField( 'page', 'MIN(page_id)', false, __METHOD__ );
+ if ( !$start ) {
+ $this->error( "Nothing to do.", true );
+ }
+ $end = $db->selectField( 'page', 'MAX(page_id)', false, __METHOD__ );
-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 = 'infinity';
- while ( $blockEnd <= $end ) {
- $cond = "page_id BETWEEN $blockStart AND $blockEnd AND page_restrictions !='' AND page_restrictions !='edit=:move='";
- $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"] = trim( $temp[0] );
- $oldRestrictions["move"] = trim( $temp[0] );
- } else {
- $oldRestrictions[$temp[0]] = trim( $temp[1] );
+ # Do remaining chunk
+ $end += $this->mBatchSize - 1;
+ $blockStart = $start;
+ $blockEnd = $start + $this->mBatchSize - 1;
+ $encodedExpiry = 'infinity';
+ while ( $blockEnd <= $end ) {
+ $this->output( "...doing page_id from $blockStart to $blockEnd out of $end\n" );
+ $cond = "page_id BETWEEN $blockStart AND $blockEnd AND page_restrictions !=''";
+ $res = $db->select(
+ 'page',
+ [ 'page_id', 'page_namespace', 'page_restrictions' ],
+ $cond,
+ __METHOD__
+ );
+ $batch = [];
+ foreach ( $res as $row ) {
+ $oldRestrictions = [];
+ foreach ( explode( ':', trim( $row->page_restrictions ) ) as $restrict ) {
+ $temp = explode( '=', trim( $restrict ) );
+ // Make sure we are not settings restrictions to ""
+ if ( count( $temp ) == 1 && $temp[0] ) {
+ // old old format should be treated as edit/move restriction
+ $oldRestrictions["edit"] = trim( $temp[0] );
+ $oldRestrictions["move"] = trim( $temp[0] );
+ } elseif ( $temp[1] ) {
+ $oldRestrictions[$temp[0]] = trim( $temp[1] );
+ }
+ }
+ # Clear invalid columns
+ if ( $row->page_namespace == NS_MEDIAWIKI ) {
+ $db->update( 'page', [ 'page_restrictions' => '' ],
+ [ 'page_id' => $row->page_id ], __FUNCTION__ );
+ $this->output( "...removed dead page_restrictions column for page {$row->page_id}\n" );
+ }
+ # Update restrictions table
+ foreach ( $oldRestrictions as $action => $restrictions ) {
+ $batch[] = [
+ 'pr_page' => $row->page_id,
+ 'pr_type' => $action,
+ 'pr_level' => $restrictions,
+ 'pr_cascade' => 0,
+ 'pr_expiry' => $encodedExpiry
+ ];
}
}
- # 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
- );
+ # We use insert() and not replace() as Article.php replaces
+ # page_restrictions with '' when protected in the restrictions table
+ if ( count( $batch ) ) {
+ $ok = $db->deadlockLoop( [ $db, 'insert' ], 'page_restrictions',
+ $batch, __FUNCTION__, [ 'IGNORE' ] );
+ if ( !$ok ) {
+ throw new MWException( "Deadlock loop failed wtf :(" );
+ }
}
+ $blockStart += $this->mBatchSize - 1;
+ $blockEnd += $this->mBatchSize - 1;
+ wfWaitForSlaves();
}
- # 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_restrictions', $batch, __FUNCTION__ );
- }
- $blockStart += BATCH_SIZE;
- $blockEnd += BATCH_SIZE;
- wfWaitForSlaves( 5 );
+ $this->output( "...removing dead rows from page_restrictions\n" );
+ // Kill any broken rows from previous imports
+ $db->delete( 'page_restrictions', [ 'pr_level' => '' ] );
+ // Kill other invalid rows
+ $db->deleteJoin(
+ 'page_restrictions',
+ 'page',
+ 'pr_page',
+ 'page_id',
+ [ 'page_namespace' => NS_MEDIAWIKI ]
+ );
+ $this->output( "...Done!\n" );
}
}
-
+$maintClass = "UpdateRestrictions";
+require_once RUN_MAINTENANCE_IF_MAIN;
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff