<?xml version="1.0" encoding="UTF-8"?>
<changelog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.liquigraph.org/schema/1.0/liquigraph.xsd">
    <changeset id="DATA-8339_add_genre_to_charts:1" author="veixar">
        <query>
            <![CDATA[
                CALL apoc.periodic.iterate(
                    "
                        MATCH (c:Chart)
                        RETURN c
                    ",
                    "
                        FOREACH (n IN (CASE WHEN c.platform = 'amazon' THEN [1] ELSE [] END) |
                            SET
                                c.genre = c.type,
                                c.modifiedAt = datetime()
                        )
                        FOREACH (n IN (CASE WHEN c.platform <> 'amazon' THEN [1] ELSE [] END) |
                            SET
                                c.genre = 'All Genres',
                                c.modifiedAt = datetime()
                        )
                    ",
                    {batchSize:1000, iterateList:true, parallel:true, concurrency:5}
                );
            ]]>
        </query>
    </changeset>
</changelog>
