WebMay 12, 2024 · I am trying to check using (IF / ELSE) if my query returns any value. What is the simplest way to do this? Thanks result = db.execute ("SELECT * FROM home WHERE id = ? AND name = ?", str (conn), str … WebHere is how you can use it: for user in query_db('select * from users'): print(user['username'], 'has the id', user['user_id']) Or if you just want a single result: user = query_db('select * from users where username = ?', [the_username], one=True) if user is None: print('No such user') else: print(the_username, 'has the id', user['user_id'])

Setting up Unit Tests with Flask, SQLAlchemy, and Postgres

WebI query a table like this: check = Example.query.filter_by(example_attribute=1).all() I get something in return that looks like this… WebDec 6, 2024 · Query A prebuilt type for querying our data, more like a GET request in a REST API. Mutation A prebuilt type for manipulating our data. Every field in the Mutation type can be thought of as a POST/PUT/DELETE/PATCH request in a REST API. Resolver A function that connects schema fields and types to various backends. Field maple leaf duck wings

How do you access the query string in Flask routes?

WebMar 9, 2024 · Flask is a lightweight Python web framework that provides useful tools and features for creating web applications in the Python Language. SQLAlchemy is an SQL toolkit that provides efficient and high … Webfrom flask import request @app.route ('/adhoc_test/') def adhoc_test (): return request.query_string. To access an individual known param passed in the query string, you can use request.args.get ('param'). This is the … Flask-SQLAlchemy gives the option to filter a query. There are a wide number of ways you can filter a query - the examples the Flask-SQLAlchemy docs give: User.query.filter_by(username='peter') # Returns all users named 'peter' User.query.filter(User.email.endswith('@example.com')) # Returns all users with emails ending in '@example.com' maple leaf drive lexington ky