1 files changed, 95 insertions, 0 deletions
diff --git a/www/wiki/maintenance/fixUserRegistration.php b/www/wiki/maintenance/fixUserRegistration.php
new file mode 100644
index 00000000..e1b16829
--- /dev/null
+++ b/www/wiki/maintenance/fixUserRegistration.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Fix the user_registration field.
+ * In particular, for values which are NULL, set them to the date of the first edit
+ *
+ * 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 that fixes the user_registration field.
+ *
+ * @ingroup Maintenance
+ */
+class FixUserRegistration extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Fix the user_registration field' );
+		$this->setBatchSize( 1000 );
+	}
+
+	public function execute() {
+		$dbw = $this->getDB( DB_MASTER );
+
+		$lastId = 0;
+		do {
+			// Get user IDs which need fixing
+			$res = $dbw->select(
+				'user',
+				'user_id',
+				[
+					'user_id > ' . $dbw->addQuotes( $lastId ),
+					'user_registration IS NULL'
+				],
+				__METHOD__,
+				[
+					'LIMIT' => $this->getBatchSize(),
+					'ORDER BY' => 'user_id',
+				]
+			);
+			foreach ( $res as $row ) {
+				$id = $row->user_id;
+				$lastId = $id;
+				// Get first edit time
+				$actorQuery = ActorMigration::newMigration()
+					->getWhere( $dbw, 'rev_user', User::newFromId( $id ) );
+				$timestamp = $dbw->selectField(
+					[ 'revision' ] + $actorQuery['tables'],
+					'MIN(rev_timestamp)',
+					$actorQuery['conds'],
+					__METHOD__,
+					[],
+					$actorQuery['joins']
+				);
+				// Update
+				if ( $timestamp !== null ) {
+					$dbw->update(
+						'user',
+						[ 'user_registration' => $timestamp ],
+						[ 'user_id' => $id ],
+						__METHOD__
+					);
+					$user = User::newFromId( $id );
+					$user->invalidateCache();
+					$this->output( "Set registration for #$id to $timestamp\n" );
+				} else {
+					$this->output( "Could not find registration for #$id NULL\n" );
+				}
+			}
+			$this->output( "Waiting for replica DBs..." );
+			wfWaitForSlaves();
+			$this->output( " done.\n" );
+		} while ( $res->numRows() >= $this->getBatchSize() );
+	}
+}
+
+$maintClass = FixUserRegistration::class;
+require_once RUN_MAINTENANCE_IF_MAIN;