demo-changelog.xml

<databaseChangeLog
        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
    <changeSet id="demo-user-demo" author="biconou">
        <preConditions onFail="MARK_RAN">
            <tableExists tableName="user" />
        </preConditions>
        <insert tableName="user">
            <column name="username" value="demo"/>
            <column name="password" value="demo"/>
        </insert>
        <insert tableName="music_folder_user">
            <column name="username" value="demo"/>
            <column name="music_folder_id" value="1"/>
        </insert>
        <sql>update "user" set password='admin666demo' where username='admin'</sql>
        <rollback/>
    </changeSet>
    <changeSet id="demo-user-demo-roles" author="biconou">
        <preConditions onFail="MARK_RAN">
            <tableExists tableName="user_role" />
        </preConditions>
        <!-- role : allowed to play files -->
        <insert tableName="user_role">
            <column name="username" value="demo"/>
            <column name="role_id" value="8"/>
        </insert>
        <rollback/>
    </changeSet>
</databaseChangeLog>