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diff --git a/www/wiki/includes/libs/rdbms/database/utils/SavepointPostgres.php b/www/wiki/includes/libs/rdbms/database/utils/SavepointPostgres.php
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+<?php
+/**
+ * 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 Database
+ */
+
+namespace Wikimedia\Rdbms;
+
+use Psr\Log\LoggerInterface;
+
+/**
+ * Manage savepoints within a transaction
+ * @ingroup Database
+ * @since 1.19
+ * @deprecated since 1.31, use IDatabase::startAtomic() and such instead.
+ */
+class SavepointPostgres {
+	/** @var DatabasePostgres Establish a savepoint within a transaction */
+	protected $dbw;
+	/** @var LoggerInterface */
+	protected $logger;
+	/** @var int */
+	protected $id;
+	/** @var bool */
+	protected $didbegin;
+
+	/**
+	 * @param DatabasePostgres $dbw
+	 * @param int $id
+	 * @param LoggerInterface $logger
+	 */
+	public function __construct( DatabasePostgres $dbw, $id, LoggerInterface $logger ) {
+		$this->dbw = $dbw;
+		$this->logger = $logger;
+		$this->id = $id;
+		$this->didbegin = false;
+		/* If we are not in a transaction, we need to be for savepoint trickery */
+		if ( !$dbw->trxLevel() ) {
+			$dbw->begin( __CLASS__, DatabasePostgres::TRANSACTION_INTERNAL );
+			$this->didbegin = true;
+		}
+	}
+
+	public function __destruct() {
+		if ( $this->didbegin ) {
+			$this->dbw->rollback();
+			$this->didbegin = false;
+		}
+	}
+
+	public function commit() {
+		if ( $this->didbegin ) {
+			$this->dbw->commit( __CLASS__, DatabasePostgres::FLUSHING_INTERNAL );
+			$this->didbegin = false;
+		}
+	}
+
+	protected function query( $keyword, $msg_ok, $msg_failed ) {
+		if ( $this->dbw->doQuery( $keyword . " " . $this->id ) !== false ) {
+			$this->logger->debug( sprintf( $msg_ok, $this->id ) );
+		} else {
+			$this->logger->debug( sprintf( $msg_failed, $this->id ) );
+		}
+	}
+
+	public function savepoint() {
+		$this->query( "SAVEPOINT",
+			"Transaction state: savepoint \"%s\" established.\n",
+			"Transaction state: establishment of savepoint \"%s\" FAILED.\n"
+		);
+	}
+
+	public function release() {
+		$this->query( "RELEASE",
+			"Transaction state: savepoint \"%s\" released.\n",
+			"Transaction state: release of savepoint \"%s\" FAILED.\n"
+		);
+	}
+
+	public function rollback() {
+		$this->query( "ROLLBACK TO",
+			"Transaction state: savepoint \"%s\" rolled back.\n",
+			"Transaction state: rollback of savepoint \"%s\" FAILED.\n"
+		);
+	}
+
+	public function __toString() {
+		return (string)$this->id;
+	}
+}