<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog
        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd
        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
    <changeSet id="101" author="jian">
        <sql dbms="mysql" endDelimiter=";;" splitStatements="true" stripComments="true">
        <![CDATA[
            ALTER TABLE artist_identifier
            DROP COLUMN id, 
            DROP PRIMARY KEY,
            ADD PRIMARY KEY (artist_info_id, store_id),
            DROP INDEX fk_artist;;
        ]]>
        </sql>
        <rollback>
            <sql dbms="mysql" endDelimiter=";;" splitStatements="true" stripComments="true">
            <![CDATA[
                ALTER TABLE artist_identifier
                ADD COLUMN id INT UNSIGNED NOT NULL AUTO_INCREMENT FIRST, 
                DROP PRIMARY KEY, 
                ADD PRIMARY KEY (id), 
                ADD KEY fk_artist (artist_info_id);;
            ]]>
            </sql>
        </rollback>
    </changeSet>
</databaseChangeLog>
