参见英文答案 > How to serialize SqlAlchemy result to JSON?????????????????????????????????????20个
我正在尝试在Flask / Python中jsonify一个SQLAlchemy结果集.
我正在尝试在Flask / Python中jsonify一个SQLAlchemy结果集.
Flask邮件列表提出了以下方法http://librelist.com/browser//flask/2011/2/16/jsonify-sqlalchemy-pagination-collection-result/#04a0754b63387f87e59dda564bde426e:
return jsonify(json_list = qryresult)
但是我收到以下错误:
TypeError:
is not JSON serializable
我在这里俯瞰什么?
我发现了这个问题:How to serialize SqlAlchemy result to JSON?看起来非常相似但是我不知道Flask是否有一些魔力可以让它变得更容易,如邮件列表帖子所示.
编辑:为了澄清,这就是我的模型的样子
class Rating(db.Model):
__tablename__ = 'rating'
id = db.Column(db.Integer, primary_key=True)
fullurl = db.Column(db.String())
url = db.Column(db.String())
comments = db.Column(db.Text)
overall = db.Column(db.Integer)
shipping = db.Column(db.Integer)
cost = db.Column(db.Integer)
honesty = db.Column(db.Integer)
communication = db.Column(db.Integer)
name = db.Column(db.String())
ipaddr = db.Column(db.String())
date = db.Column(db.String())
def __init__(self, fullurl, url, comments, overall, shipping, cost, honesty, communication, name, ipaddr, date):
self.fullurl = fullurl
self.url = url
self.comments = comments
self.overall = overall
self.shipping = shipping
self.cost = cost
self.honesty = honesty
self.communication = communication
self.name = name
self.ipaddr = ipaddr
self.date = date