mongodb学习
摘要:
mongoDB 聚合groupdb.person.group({ "key":{"age":true}, "initial":{"person":[]}, "$reduce":function(cur,prev){ prev.person.push(cur.name); },"finalize"... 阅读全文
posted @ 2015-09-24 20:01 lxgi& 阅读(196) 评论(0) 推荐(0) 编辑