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-rw-r--r--maintenance/populateBacklinkNamespace.php97
1 files changed, 97 insertions, 0 deletions
diff --git a/maintenance/populateBacklinkNamespace.php b/maintenance/populateBacklinkNamespace.php
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+++ b/maintenance/populateBacklinkNamespace.php
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+<?php
+/**
+ * Optional upgrade script to populate *_from_namespace fields
+ *
+ * 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
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script to populate *_from_namespace fields
+ *
+ * @ingroup Maintenance
+ */
+class PopulateBacklinkNamespace extends LoggedUpdateMaintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "Populate the *_from_namespace fields";
+ $this->addOption( 'lastUpdatedId', "Highest page_id with updated links", false, true );
+ }
+
+ protected function getUpdateKey() {
+ return 'populate *_from_namespace';
+ }
+
+ protected function updateSkippedMessage() {
+ return '*_from_namespace column of backlink tables already populated.';
+ }
+
+ public function doDBUpdates() {
+ $force = $this->getOption( 'force' );
+
+ $db = $this->getDB( DB_MASTER );
+
+ $this->output( "Updating *_from_namespace fields in links tables.\n" );
+
+ $start = $this->getOption( 'lastUpdatedId' );
+ if ( !$start ) {
+ $start = $db->selectField( 'page', 'MIN(page_id)', false, __METHOD__ );
+ }
+ if ( !$start ) {
+ $this->output( "Nothing to do." );
+ return false;
+ }
+ $end = $db->selectField( 'page', 'MAX(page_id)', false, __METHOD__ );
+
+ # Do remaining chunk
+ $end += $this->mBatchSize - 1;
+ $blockStart = $start;
+ $blockEnd = $start + $this->mBatchSize - 1;
+ while ( $blockEnd <= $end ) {
+ $this->output( "...doing page_id from $blockStart to $blockEnd\n" );
+ $cond = "page_id BETWEEN $blockStart AND $blockEnd";
+ $res = $db->select( 'page', array( 'page_id', 'page_namespace' ), $cond, __METHOD__ );
+ foreach ( $res as $row ) {
+ $db->update( 'pagelinks',
+ array( 'pl_from_namespace' => $row->page_namespace ),
+ array( 'pl_from' => $row->page_id ),
+ __METHOD__
+ );
+ $db->update( 'templatelinks',
+ array( 'tl_from_namespace' => $row->page_namespace ),
+ array( 'tl_from' => $row->page_id ),
+ __METHOD__
+ );
+ $db->update( 'imagelinks',
+ array( 'il_from_namespace' => $row->page_namespace ),
+ array( 'il_from' => $row->page_id ),
+ __METHOD__
+ );
+ }
+ $blockStart += $this->mBatchSize - 1;
+ $blockEnd += $this->mBatchSize - 1;
+ wfWaitForSlaves();
+ }
+ return true;
+ }
+}
+
+$maintClass = "PopulateBacklinkNamespace";
+require_once RUN_MAINTENANCE_IF_MAIN;