+
+ <List key="topics" table="topic t" extratables="content_x_topic ctx"
+ selection="ctx.content_id = ${article.id} AND ctx.topic_id = t.id" />
+ <If condition="utility.listSize(topics) > 0">
+ <then>
+ <Log message="I have a topic list with ${utility.listSize(topics)}" />
+ </then>
+ </If>