select topictrave0_.id as col_0_0_,topictrave0_.topicname as col_1_0_,topictrave0_.summary as col_2_0_
from d_topicTravel topictrave0_ order by topictrave0_.id desc limit 8 offset 0
offset 偏移量 0表示从第一条开始
limit 共取几条 10表示本次查询10条 原文链接：https://www.f2er.com/postgresql/196205.html
