wikimedia / mediawiki

			// Include in ORDER BY for uniqueness

			$this->addWhereRange( 'cl_from', $dir, null, null );

			if ( !is_null( $params['continue'] ) ) {

				$cont = explode( '|', $params['continue'] );

				$this->dieContinueUsageIf( count( $cont ) != 2 );

				$op = ( $dir === 'newer' ? '>' : '<' );

				$db = $this->getDB();

				$continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );

				$continueFrom = (int)$cont[1];

				$this->dieContinueUsageIf( $continueFrom != $cont[1] );

				$this->addWhere( "cl_timestamp $op $continueTimestamp OR " .

					"(cl_timestamp = $continueTimestamp AND " .

					"cl_from $op= $continueFrom)"

				);

			}

			$this->addOption( 'USE INDEX', 'cl_timestamp' );

		} else {

		$this->addTables( 'recentchanges' );

		$this->addTimestampWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );

		if ( !is_null( $params['continue'] ) ) {

			$cont = explode( '|', $params['continue'] );

			$this->dieContinueUsageIf( count( $cont ) != 2 );

			$db = $this->getDB();

			$timestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );

			$id = intval( $cont[1] );

			$this->dieContinueUsageIf( $id != $cont[1] );

			$op = $params['dir'] === 'older' ? '<' : '>';

			$this->addWhere(

				"rc_timestamp $op $timestamp OR " .

				"(rc_timestamp = $timestamp AND " .

				"rc_id $op= $id)"

			);

		}

		$order = $params['dir'] === 'older' ? 'DESC' : 'ASC';

		$this->addOption( 'ORDER BY', [