for example, this statement,
results = Entity.query.filter_by (content_id=thisId,editUser=editUser). All (),
, but I want to query content_id=thisId and edit user at the same time! = "test" data, please tell me how to do it.
for example, this statement,
results = Entity.query.filter_by (content_id=thisId,editUser=editUser). All (),
, but I want to query content_id=thisId and edit user at the same time! = "test" data, please tell me how to do it.
filter_by replace it with filter .
results = Entity.query.filter(Entity.content_id==thisId,Entity.editUser!=editUser).all()sql to sqlalchemy project , this is based on MYSQL, and if you pass this exercise, your sqlalchemy will fly. If you really need it, I can give you the MySQL user and password. Don't ask me who I am. I'm Lei Feng.
I want to use flask to write a crawler, start it by clicking the button at the front, and then save the crawled content in the database, and the front end to display the data. is mainly about how to call the crawler. Give me an idea. Thank you ....
recently, I was learning the flask framework. When I came into contact with the concept of "separation of front and rear ends ", I was very curious. I checked on the Internet and said that the front and rear ends exchange data through JSON. My personal ...
< H2 > db_demo3.py < H2 > from flask import Flask from flask_sqlalchemy import SQLAlchemy import config app = Flask(__name__) app.config.from_object(config) db = SQLAlchemy(app) db.create_all() @app.route( ) def index(): return hello world...
previously made a drop-down menu to connect to the database, but if you want to make a double associated drop-down, select the button, and then grab data from the database, but there has been no way, the database is as follows: < table > < thead > < tr...
Flask upgrade database Times error: alembic.util.exc.CommandError: Can t locate revision identified by 56dc8fad2ab2 how to solve it? Xiaobai asks for help! ...
the code is as follows: view.py . @ approval.route ( submit , methods= [ GET , POST ]) @ login_required def _ submit (): form = LEForm() if current_user.can(Permission.WRITE) and request.form.get( submit , None) == "": po...
flask is used in python. There is a page that uses xlrd to parse the data timeout of an 80,000 excel. Is there any way not to time out? the code is as follows @app.route( import ) def import_xlsx(): -sharp conn = pymysql.connect(host= 192...