什么是查询更新以下数据与猫鼬。所以3个领域将被更新。顶级父点,类别点和标记点。猫鼬,更新孩子会影响所有父母吗?
{
"_id": "561fba5e7fac41a4055fad45",
"fullName": "Test",
"points": 45,
"level": 1,
"categories": [
{
"name": "Computer Science",
"points": 15,
"level": 1,
"_id": "561fba5e7fac41a4055fad46",
"tags": [
{
"name": "C#",
"points": 10,
"level": 1,
"_id": "561fba5e7fac41a4055fad47"
},
{
"name": "Java",
"points": 5,
"level": 1,
"_id": "561fba5e7fac41a4055ert12"
}
]
},
{
"name": "History",
"points": 30,
"level": 2,
"_id": "562407d4e3edf2113f61ac37",
"tags": [
{
"name": "WW2",
"points": 30,
"level": 2,
"_id": "56240797e3edf2113f61ac36"
}
]
}
]
}
到这个。当用户从特定标签获得一个点时,它会影响所有家长。比方说,用户从C#中获得10分,那么我必须更新mongodb。
{
"_id": "561fba5e7fac41a4055fad45",
"fullName": "Test",
**"points": 55,**
"level": 1,
"categories": [
{
"name": "Computer Science",
**"points": 25,**
"level": 1,
"_id": "561fba5e7fac41a4055fad46",
"tags": [
{
"name": "c#",
**"points": 20,**
"level": 1,
"_id": "561fba5e7fac41a4055fad47"
},
{
"name": "Java",
"points": 5,
"level": 1,
"_id": "561fba5e7fac41a4055ert12"
}
]
},
{
"name": "History",
"points": 30,
"level": 2,
"_id": "562407d4e3edf2113f61ac37",
"tags": [
{
"name": "WW2",
"points": 30,
"level": 2,
"_id": "56240797e3edf2113f61ac36"
}
]
}
]
}
通过蒙戈MongoDB中[更新嵌套的数组的可能的复制shell](http://stackoverflow.com/questions/18573117/updating-nested-arrays-in-mongodb-via-mongo-shell) – chridam
[更新MongoDB中数组中所有元素]的可能副本(http:// stackoverflow.com/questio ns/33186596/update-all-elements-in-an-array-in-mongodb) – styvane
这些并不重复,因为我试图增加所有顶级父字段。 @ user3100115 –