RowUpdateGenerator.php
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RowUpdateGenerator.php
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	<?php
	/**
	* @license GPL-2.0-or-later
	*/

	/**
	* Interface for generating updates to single rows in the database.
	*
	* @stable to implement
	* @ingroup Maintenance
	*/
	interface RowUpdateGenerator {
	/**
	* Given a database row, generates an array mapping column names to
	* updated value within the database row.
	*
	* Sample Response:
	* return [
	* 'some_col' => 'new value',
	* 'other_col' => 99,
	* ];
	*
	* @param stdClass $row A row from the database
	* @return array Map of column names to updated value within the
	* database row. When no update is required returns an empty array.
	*/
	public function update( $row );
	}