在线查询数据time类型转换错误

[jdj199222]

在线查询数据功能,如果查询select * from table 时候报如下错误.

精确定位后发现,是字段数据类型为time时候就会报错.
日志显示入下
[2018-07-31 11:36:51,927][MainThread:140477748217600][task_id:default][exception_logging_middleware.py:10] [ERROR]- Traceback (most recent call l
ast):
File "/data/archer/sql/extend_json_encoder.py", line 52, in default
return convert(obj)
File "/data/venv4archer/lib/python3.6/functools.py", line 803, in wrapper
return dispatch(args[0].class)(*args, **kw)
File "/data/archer/sql/extend_json_encoder.py", line 26, in convert
raise TypeError('can not convert type')
TypeError: can not convert type

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/data/venv4archer/lib/python3.6/site-packages/django/core/handlers/base.py", line 132, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/data/venv4archer/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
return view_func(*args, **kwargs)
File "/data/archer/sql/query.py", line 724, in query
return HttpResponse(json.dumps(finalResult, cls=ExtendJSONEncoder, bigint_as_string=True),
File "/data/venv4archer/lib/python3.6/site-packages/simplejson/init.py", line 399, in dumps
**kw).encode(obj)
File "/data/venv4archer/lib/python3.6/site-packages/simplejson/encoder.py", line 286, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/data/venv4archer/lib/python3.6/site-packages/simplejson/encoder.py", line 368, in iterencode
return _iterencode(o, 0)
File "/data/archer/sql/extend_json_encoder.py", line 54, in default
return super(ExtendJSONEncoder, self).default(obj)
File "/data/venv4archer/lib/python3.6/site-packages/simplejson/encoder.py", line 263, in default
o.class.name)
TypeError: Object of type timedelta is not JSON serializable

[hhyo]

#89
pr最后一次提交内容可解决这个问题。