extensions/indexing-sql/src/test/resources/logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>[@%-10thread] %-5level %logger{42} - %msg%n</Pattern>
        </layout>
    </appender>

    <root level="info">
        <appender-ref ref="stdout" />
    </root>

    <logger name="org.qi4j.index.sql" level="trace"/>

</configuration>