原生sql
https://stackoverflow.com/questions/17972020/how-to-execute-raw-sql-in-flask-sqlalchemy-app
配置参数
def fetchall(sql, args=None):
if args is None:
dataObj = db.session.execute(sql)
else:
dataObj = db.session.execute(sql, args)
data = [dict(zip(result.keys(), result)) for result in dataObj.fetchall()]
return data
def fetchone(sql, args=None):
if args is None:
dataObj = db.session.execute(sql)
else:
dataObj = db.session.execute(sql, args)
data = dataObj.fetchone()
if data is None:
return None
data = dict(zip(dataObj.keys(), dataObj.fetchone()))
return data