flask-sqlalchemy

How do I specify the column that I want in my query using a model (it selects all columns by default)? I know how to do this with the sqlalchmey session: session.query(self.col1) , but how do I do it with with models? I can't do SomeModel.query() . Is there a way? David McKeone You can use the with_entities() method to restrict which columns you'd like to return in the result. ( documentation ) result = SomeModel.query.with_entities(SomeModel.col1, SomeModel.col2) Depending on your requirements, you may also find deferreds useful. They allow you to return the full object but restrict the

How do you execute raw SQL in SQLAlchemy? I have a python web app that runs on flask and interfaces to the database through SQLAlchemy. I need a way to run the raw SQL. The query involves multiple table joins along with Inline views. I've tried: connection = db.session.connection() connection.execute( <sql here> ) But I keep getting gateway errors. Miguel Have you tried: result = db.engine.execute("<sql here>") or: from sqlalchemy import text sql = text('select name from penguins') result = db.engine.execute(sql) names = [row[0] for row in result] print names SQL Alchemy session objects have