client.database_names()#Geta list of the names of all databases on the connected server. 4、Getting a Collection A collection is a group of documents stored in MongoDB, and can be thought of as roughly the equivalent of a table in a relational database. Getting a collection in PyMongo ...
awaitclient.list_databases() list_database_names() awaitclient.list_database_names() drop_database() awaitclient.drop_database(...) Database Methods Method Example watch() asyncwithawaitdb.watch(...)asstream: ... create_collection() ...
pymongo import MongoClient client = MongoClient('mongodb://localhost:27017/') with client: db = client.testdb agr = [ {'$group': {'_id': 1, 'all': { '$sum': '$price' } } } ] val = list(db.cars.aggregate(agr)) print('The sum of prices is {}'.format(val[0]['all']...
In order to make querying a little more interesting, let’s insert a few more documents. In addition to inserting a single document, we can also performbulk insertoperations, by passing a list as the first argument toinsert_many(). This will insert each document in the list, sending only ...
count=25&type=2&freeflg=&tradeid=' response = requests.post(url, data=form_data, headers=headers) # 请求到的信息,解析后选择转为字符串形式方便无脑操作 soup = BeautifulSoup(response.content, "html5lib") if soup.find_all(colspan="5") != []: # notice_list.append("没有查到相关数据!"...
pymongo.mongo_client.MongoClient.list_databases pymongo.monitoring.ServerListener.opened pymongo.son_manipulator.NamespaceInjector.transform_incoming pymongo.collection.Collection.insert_one pymongo.database.Database.list_collections pymongo.collection.Collection.insert ...
importlayabase# Should be a list of CRUDController inherited classesmy_controllers=[]layabase.load("your_connection_string",my_controllers) Relational databases (non-Mongo) SQLAlchemyis the underlying framework used to manipulate relational databases. ...
DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'test', 'USER': 'root', 'PASSWORD': 'root', 'HOST': 'localhost', 'PORT': '3306', }, 'mongotest': { 'ENGINE': None, } } import mongoengine # 连接mongodb中数据库 conn = mongoengine.connect("test")...