MongoDB:如何在mongo控制台和通过JavaScript、Node.js实现类似以下操作:
db.turnys.find( { users:{$size:seats } } )
turnydb.turnys的样子是这样的:
[
{
"gId": "5335e4a7b8cf51bcd054b423",
"seats": 2,
"start": "2014-03-30T14:23:29.688Z",
"end": "2014-03-30T14:25:29.688Z",
"rMin": 800,
"rMax": 900,
"users": [],
"_id": "533828e1d1a483b7fd8a707a"
},
{
"gId": "5335e4a7b8cf51bcd054b423",
"seats": 2,
"start": "2014-03-30T14:23:29.688Z",
"end": "2014-03-30T14:25:29.688Z",
"rMin": 900,
"rMax": 1000,
"users": [],
"_id": "533828e1d1a483b7fd8a707b"
},
...
]