Hi All,
I need a last push....and I hope someone here in SQLAlcheny cab give me
some.
My application uses elixir on a sqlite database.
I Have a table Person with a field birthdate, now I want to sort on the
month of this field.
From examples and a lot of peeking I have worked out how to add
Userdefined functions.
session.bind = metadata.bind
def monthfrom(date):
return datetime.strptime(date, '%Y-%m-%d %H:%M:%S').month
con = session.bind.connect().connection
con.create_function("monthfrom", 1, monthfrom)
but now come the part I have made very little progress on.
personslist=Person.query.filter(Person.birthdate!=None).order_by("func.monthfrom(:date)",
{"date": datetime(2000, 1, 2, 0, 0, 0), })
I get an SQLAlchemy.exc.OperationalError
Thanks.
Frans.
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