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help / color / mirror / Atom feedFrom: Aditya Toshniwal <[email protected]>
To: Dave Page <[email protected]>
Cc: Joao De Almeida Pereira <[email protected]>
Cc: pgadmin-hackers <[email protected]>
Subject: Re: [pgAdmin4][RM#3289] Can't query SQL_ASCII database.
Date: Fri, 15 Jun 2018 14:33:31 +0530
Message-ID: <CAM9w-_niwZ+VD4awqOLp1D5eEFtE_G8wWciWC_sg8N2yvER=Nw@mail.gmail.com> (raw)
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Hi Dave,
On Fri, Jun 15, 2018 at 2:08 PM, Dave Page <[email protected]> wrote:
> Hi
>
> On Thu, Jun 14, 2018 at 7:05 AM, Aditya Toshniwal <aditya.toshniwal@
> enterprisedb.com> wrote:
>
>> I am sorry I missed the attachment. :(
>> PFA.
>>
>
> It looks like the encoding names are getting munged somewhere. I see
> you've accounted for that to some degree in connection.py (you have both
> SQL_ASCII/MULE_INTERNAL and SQLASCII/MULEINTERNAL), however it doesn't seem
> to be enough as I'm getting the following error when trying to download CSV
> from the query tool. Can we ensure that conn.encoding contains an un-munged
> value at all times, or is that coming from psycopg2?
>
That is done by pyscopg2 and conn.encoding is a psycopg2 connection
property.
>
> 2018-06-15 09:32:28,799: INFO werkzeug: 127.0.0.1 - - [15/Jun/2018
> 09:32:28] "GET /sqleditor/query_tool/download/2732923?query=SELECT%
> 20*%20FROM%20public.sql_ascii%0AORDER%20BY%20id%20ASC%20&filename=sql_ascii.csv
> HTTP/1.1" 500 -
> 2018-06-15 09:32:28,801: ERROR werkzeug: Error on request:
> Traceback (most recent call last):
> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
> line 270, in run_wsgi
> execute(self.server.app)
> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
> line 260, in execute
> for data in application_iter:
> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/wsgi.py",
> line 870, in __next__
> return self._next()
> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-
> packages/werkzeug/wrappers.py", line 82, in _iter_encoded
> for item in iterable:
> File "/Users/dpage/git/pgadmin4/web/pgadmin/utils/driver/psycopg2/connection.py",
> line 752, in gen
> column_name = column_name.decode(conn_encoding)
> LookupError: unknown encoding: SQLASCII
>
This is because there is code bug here. Below is code used to decode a
column name. Connection encoding and python encoding are two different
things. Python does not know what SQLASCII is. This will work with UTF-8
because python has decoder with same name. I tried to download CSV with the
original code without changes and it fails there too. I will fix this and
will send the updated patch. I should have checked this.
conn_encoding = cur.connection.encoding
column_name = column_name.decode(conn_encoding)
>
> --
> Dave Page
> Blog: http://pgsnake.blogspot.com
> Twitter: @pgsnake
>
> EnterpriseDB UK: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
--
Thanks and Regards,
Aditya Toshniwal
Software Engineer | EnterpriseDB Software Solutions | Pune
"Don't Complain about Heat, Plant a tree"
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Subject: Re: [pgAdmin4][RM#3289] Can't query SQL_ASCII database.
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