wikimedia / mediawiki

		$wp = WikiPage::factory( $this->mTitle );

		$factory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();

		foreach ( array_chunk( array_keys( $added ), $wgUpdateRowsPerQuery ) as $addBatch ) {

			$wp->updateCategoryCounts( $addBatch, [], $this->mId );

			$factory->commitAndWaitForReplication(

				__METHOD__, $this->ticket, [ 'wiki' => $this->getDB()->getWikiID() ]

			);

		}

		foreach ( array_chunk( array_keys( $deleted ), $wgUpdateRowsPerQuery ) as $deleteBatch ) {

			$wp->updateCategoryCounts( [], $deleteBatch, $this->mId );

			);

		}

		foreach ( array_chunk( array_keys( $deleted ), $wgUpdateRowsPerQuery ) as $deleteBatch ) {

			$wp->updateCategoryCounts( [], $deleteBatch, $this->mId );

			$factory->commitAndWaitForReplication(

				__METHOD__, $this->ticket, [ 'wiki' => $this->getDB()->getWikiID() ]

			);

		}

	}

	/**