[ https://issues.jboss.org/browse/RTGOV-579?page=com.atlassian.jira.plugin.... ] Jorge Morales commented on RTGOV-579: ------------------------------------- The language that Esper uses is very much like SQL so more user friendly, so that has helped Esper being adopted. Some examples: "select avg(price) from org.myapp.event.OrderEvent.win:time(30 sec)" "on PlayerAnswer pa merge PlayerAnswerWindow paw where pa.playerId = paw.playerId and pa.questionId = paw.questionId when not matched then insert select questionId, (select questionTime from QuestionWindow where questionId = pa.questionId) as questionTime, playerId, answer, clientAnswerTime, false as hasReceivedFA when matched and paw.answer is null then update set paw.answer = pa.answer, paw.clientAnswerTime = pa.clientAnswerTime" See: http://esper.codehaus.org/tutorials/tutorial/examples.html -- This message was sent by Atlassian JIRA (v6.3.1#6329)