class Family(db.Model):
tablename = 'family'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(40))
with_plants = db.relationship('Plants', backref='f')
class Genus(db.Model):
tablename = 'genus'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(40))
with_plants = db.relationship('Plants', backref='g')
class Plants(db.Model):
tablename = 'plants'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(40))
g_id = db.Column(db.Integer, db.ForeignKey('
genus.id'))
f_id = db.Column(db.Integer, db.ForeignKey('
family.id'))