Flask-sqlalchemy add numbers on button click

Question

Hai so i am trying to increase a number ( +1 ) in my join column on button click on flask so far i done up to this

@app.route("/joins/<name>", methods=["POST"])
def joins(name):
    namess = name
    owner = users.query.filter_by(name=namess).first()
    if owner is not None:
        #making the joins +1 if the value is already 1            
        owner.joins = + 1
        db.session.commit()
        return redirect("/")
    else:
        return "You are not the owner of this url"

but it is not increasing the number how can i fix this happy coding!

brudi4550 · Accepted Answer · 2022-02-15 08:00:53Z

1

The line

owner.joins = + 1

is valid python but I don't think it's what you want. It just assigns 1 to owner.joins. If you want to increment you need to do it like this:

owner.joins = owner.joins + 1

answered Feb 15, 2022 at 8:00

brudi4550

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