userInfo表结构为:{ "_id": { "$numberLong": "1672939910539612162" }, "region": "region2", "registerTime": { "$numberLong": "1687608531051" }, "lastLoginTime": { "$numberLong": "1688990931052" }, "liftDays": 30, "uniqId": "14fe5f1a-bdff-49b0-ab35-3b7ead6b7b90", "openId": "0d087060-c80a-48dd-ace3-3df981cba4ea", "deviceModel": "xiaomi", "country": "de", "channel": "huawei", "nick": "nick", "vip": "0", "propsMap": { "levelIn": "20", "levelFinish": "20", "dailyChallengeFinish": "7", "town": "10", "townBuild": "{1:[1,2,3,4,5],2:[1],3:[1,2,3],4:[1]}", "dailyChallengeIn": "8", "lv": "3" }, "_class": "com.dobest.model.mongo.UserInfo", "registerTimeDate": "2023-06-24 20:08:51", "lastLoginTimeDate": "2023-07-10 20:08:51" } event表结构为:{ "_id": { "$oid": "64a2b6bf1f5d3943f2e1a4e2" }, "userId": { "$numberLong": "1672939935722213448" }, "eventType": 0, "registerTime": { "$numberLong": "1687176537065" }, "date": "2023-06-21", "cnt": 4, "updateTime": { "$numberLong": "1687349337065" }, "onlineTime": { "$numberLong": "18" }, "_class": "com.dobest.model.mongo.Event", "registerTimeDate": "2023-06-19 20:08:57", "updateTimeDate": "2023-06-21 20:08:57" } 求eventType=0且2023-04-12<=date<=2023-07-12且2023-06-01 00:00:00<=registerTimeDate<2023-06-02 00:00:00求字段townBuild字段key为1对应的值包含3的_id总数
时间: 2023-07-17 07:05:30 浏览: 86
根据给出的userInfo和event表的结构,您可以使用以下MongoDB查询语句来获取满足条件的_id总数:
```python
db.event.count({
"eventType": 0,
"date": {
"$gte": "2023-04-12",
"$lte": "2023-07-12"
},
"registerTimeDate": {
"$gte": "2023-06-01 00:00:00",
"$lt": "2023-06-02 00:00:00"
},
"townBuild.1": "3"
})
```
请注意,这里假设您的数据库名称为`db`,而且您需要将查询语句中的集合名称进行相应的更改。
相关问题
userInfo表结构为:{ "_id": { "$numberLong": "1672939910539612162" }, "region": "region2", "registerTime": { "$numberLong": "1687608531051" }, "lastLoginTime": { "$numberLong": "1688990931052" }, "liftDays": 30, "uniqId": "14fe5f1a-bdff-49b0-ab35-3b7ead6b7b90", "openId": "0d087060-c80a-48dd-ace3-3df981cba4ea", "deviceModel": "xiaomi", "country": "de", "channel": "huawei", "nick": "nick", "vip": "0", "propsMap": { "levelIn": "20", "levelFinish": "20", "dailyChallengeFinish": "7", "town": "10", "townBuild": "{1:[1,2,3,4,5],2:[1],3:[1,2,3],4:[1]}", "dailyChallengeIn": "8", "lv": "3" }, "_class": "com.dobest.model.mongo.UserInfo", "registerTimeDate": "2023-06-24 20:08:51", "lastLoginTimeDate": "2023-07-10 20:08:51" } event表结构为:{ "_id": { "$oid": "64a2b6bf1f5d3943f2e1a4e2" }, "userId": { "$numberLong": "1672939935722213448" }, "eventType": 0, "registerTime": { "$numberLong": "1687176537065" }, "date": "2023-06-21", "cnt": 4, "updateTime": { "$numberLong": "1687349337065" }, "onlineTime": { "$numberLong": "18" }, "_class": "com.dobest.model.mongo.Event", "registerTimeDate": "2023-06-19 20:08:57", "updateTimeDate": "2023-06-21 20:08:57" } 求eventType=0且2023-04-12<=date<=2023-07-12且2023-06-01 00:00:00<=registerTimeDate<2023-06-02 00:00:00且townBuild字段key为1对应的值包含3的_id总数
根据给出的userInfo和event表的结构,您可以使用以下MongoDB查询语句来获取满足条件的_id总数:
```python
db.event.count({
"eventType": 0,
"date": {
"$gte": "2023-04-12",
"$lte": "2023-07-12"
},
"registerTimeDate": {
"$gte": "2023-06-01 00:00:00",
"$lt": "2023-06-02 00:00:00"
},
"townBuild.1": {
"$in": ["3"]
}
})
```
请注意,这里假设您的数据库名称为`db`,而且您需要将查询语句中的集合名称进行相应的更改。
user=models.ForeignKey(UserInfo) TypeError: __init__() missing 1 required positional argument: 'on_delete'
这个错误提示表明,在定义模型中的user字段时,缺少了一个必需的参数on_delete。on_delete参数指定当与此字段相关联的用户(User)被删除时,该字段应如何处理。例如,如果on_delete设置为models.CASCADE,则删除相关的用户时也会删除与之相关的user字段。
因此,您需要在定义user字段时添加on_delete参数。例如:
```
from django.db import models
from myapp.models import UserInfo
class MyModel(models.Model):
user = models.ForeignKey(UserInfo, on_delete=models.CASCADE)
```
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