我是新来的MongoDB聚合,聚合后,我终于得到了结果:
"result" : [
{
"_id" : "531d84734031c76f06b853f0"
},
{
"_id" : "5316739f4031c76f06b85399"
},
{
"_id" : "53171a7f4031c76f06b853e5"
},
{
"_id" : "531687024031c76f06b853db"
},
{
"_id" : "5321135cf5fcb31a051e911a"
},
{
"_id" : "5315b2564031c76f06b8538f"
}
],
"ok" : 1
的数据正是我要找的,但我只想让一步,我希望我的数据将显示如下:
"result" : [
"531d84734031c76f06b853f0",
"5316739f4031c76f06b85399",
"53171a7f4031c76f06b853e5",
"531687024031c76f06b853db",
"5321135cf5fcb31a051e911a",
"5315b2564031c76f06b8538f"
],
"ok" : 1
是的,我只想让所有的唯一的ID在一个普通的字符串数组,有什么我可以做什么?任何帮助,将不胜感激!
显示您的查询 – 2014-09-03 09:36:36