-- 不严格的语法格式 createclassif not exists/test/001(001 int,002 varchar); insertinto/test/001("001","002")values(1,'1'); select*from/test/001/**output()**/; delete from/test/001 with version; dropclass/test/001; selectavg(lft)as a,avg(rgt)as b from(selectclass,id,username,lft,rgt fromldap) /** output() match(a,1.5,b,3.5) **/ ;