I updated the patch for backwards compatibility anyway.

On Fri, Aug 23, 2019 at 10:45 AM Dave Page <dp...@pgadmin.org> wrote:

>
>
> On Fri, Aug 23, 2019 at 9:43 AM Yosry Muhammad <yosry...@gmail.com> wrote:
>
>> Hi Aditya,
>>
>> On Fri, Aug 23, 2019 at 7:33 AM Aditya Toshniwal <
>> aditya.toshni...@enterprisedb.com> wrote:
>>
>>> Hi Yosry,
>>>
>>> The previously mentioned issues seems to be fixed. Below are few issues:
>>> 1) On Python 2.7, I get below error when opening query tool:
>>> 2019-08-23 10:49:09,329: ERROR flask.app: Object of type buffer is not
>>> JSON serializable
>>> Traceback (most recent call last):
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/flask/app.py",
>>> line 1813, in full_dispatch_request
>>>     rv = self.dispatch_request()
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/flask/app.py",
>>> line 1799, in dispatch_request
>>>     return self.view_functions[rule.endpoint](**req.view_args)
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/flask_login/utils.py",
>>> line 261, in decorated_view
>>>     return func(*args, **kwargs)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/tools/sqleditor/__init__.py",
>>> line 1544, in get_query_history
>>>     return QueryHistory.get(current_user.id, trans_obj.sid, conn.db)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/tools/sqleditor/utils/query_history.py",
>>> line 21, in get
>>>     'result': [rec.query_info for rec in result]
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/utils/ajax.py", line
>>> 75, in make_json_response
>>>     separators=(',', ':'), encoding=encoding),
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/simplejson/__init__.py",
>>> line 399, in dumps
>>>     **kw).encode(obj)
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/simplejson/encoder.py",
>>> line 296, in encode
>>>     chunks = self.iterencode(o, _one_shot=True)
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/simplejson/encoder.py",
>>> line 378, in iterencode
>>>     return _iterencode(o, 0)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/utils/ajax.py", line
>>> 30, in default
>>>     return json.JSONEncoder.default(self, obj)
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg27/lib/python2.7/site-packages/simplejson/encoder.py",
>>> line 273, in default
>>>     o.__class__.__name__)
>>> TypeError: Object of type buffer is not JSON serializable
>>>
>>
>> This error exists on the master branch on Python 2.7, it is not caused by
>> the patch. It is also not a regression of my previous Query History
>> Enhancement patch, I checked.
>>
>>
>>>
>>> 2) The patch is not compatible with older pyscopg2 (2.7.7). I get below
>>> error in View/Edit data.
>>> [image: Screenshot 2019-08-23 at 10.53.30.png]
>>> 2019-08-23 10:53:12,020: ERROR flask.app: 'table_column'
>>> Traceback (most recent call last):
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg35/lib/python3.5/site-packages/flask/app.py",
>>> line 1813, in full_dispatch_request
>>>     rv = self.dispatch_request()
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg35/lib/python3.5/site-packages/flask/app.py",
>>> line 1799, in dispatch_request
>>>     return self.view_functions[rule.endpoint](**req.view_args)
>>>   File
>>> "/Users/adityatoshniwal/venv/pypg35/lib/python3.5/site-packages/flask_login/utils.py",
>>> line 261, in decorated_view
>>>     return func(*args, **kwargs)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/tools/sqleditor/__init__.py",
>>> line 435, in poll
>>>     columns = trans_obj.get_columns_types(conn)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/tools/sqleditor/command.py",
>>> line 688, in get_columns_types
>>>     table_oid=table_oid)
>>>   File
>>> "/Users/adityatoshniwal/projects/pgadmin4/web/pgadmin/tools/sqleditor/utils/get_column_types.py",
>>> line 38, in get_columns_types
>>>     if row['oid'] == col['table_column']:
>>> KeyError: 'table_column'
>>>
>>
>> I recall Dave mentioning that it is okay to use psycopg 2.8+ features and
>> that it was a requirement of pgAdmin 4 now (clearly mentioned in
>> requirements.txt too).
>>
>
> I did - then we had the whole table_oid issue on Debian/Ubuntu :-(
>
>
>> However, I updated the patch for backwards compatibility. Please find an
>> updated patch attached.
>>
>>
>> --
>> *Yosry Muhammad Yosry*
>>
>> Computer Engineering student,
>> The Faculty of Engineering,
>> Cairo University (2021).
>> Class representative of CMP 2021.
>> https://www.linkedin.com/in/yosrym93/
>>
>
>
> --
> Dave Page
> Blog: http://pgsnake.blogspot.com
> Twitter: @pgsnake
>
> EnterpriseDB UK: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>


-- 
*Yosry Muhammad Yosry*

Computer Engineering student,
The Faculty of Engineering,
Cairo University (2021).
Class representative of CMP 2021.
https://www.linkedin.com/in/yosrym93/

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