Re: PATCH: Fix the issue for saving query output as CSV

From: Dave Page <dpage(at)pgadmin(dot)org>
To: Neel Patel <neel(dot)patel(at)enterprisedb(dot)com>
Cc: Harshal Dhumal <harshal(dot)dhumal(at)enterprisedb(dot)com>, Akshay Joshi <akshay(dot)joshi(at)enterprisedb(dot)com>, Murtuza Zabuawala <murtuza(dot)zabuawala(at)enterprisedb(dot)com>, pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: PATCH: Fix the issue for saving query output as CSV
Date: 2016-07-18 10:18:26
Message-ID: CA+OCxoxnm-8-fZ5ehFtNvjj87AyT1bk4-owC+aaGqqzAeBnmZw@mail.gmail.com
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Thanks!

On Mon, Jul 18, 2016 at 10:42 AM, Neel Patel <neel(dot)patel(at)enterprisedb(dot)com>
wrote:

> Hi Dave,
>
> Yes, it will break in runtime. If we need to support downloading at server
> side then we need to change the runtime code.
> I will send the patch for runtime to support server side download CSV file.
>
> Thanks,
> Neel Patel
>
> On Fri, Jul 15, 2016 at 3:05 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>
>> Hi
>>
>> This seems to break downloads in the runtime. It works in Safari and
>> Chrome, but in the runtime the suggested filename is
>> "6980287?query=SELECT+*+FROM+pem.probe_column%0AORDER+BY+id%0AASC+&filename=probe_column.csv",
>> and after changing that and hitting OK, the "Downloading file" dialogue is
>> shown indefinitely.
>>
>> On Wed, Jul 13, 2016 at 1:16 PM, Harshal Dhumal <
>> harshal(dot)dhumal(at)enterprisedb(dot)com> wrote:
>>
>>> Hi,
>>>
>>> PFA rebased patch for RM1405
>>>
>>> --
>>> *Harshal Dhumal*
>>> *Software Engineer*
>>>
>>> EnterpriseDB India: http://www.enterprisedb.com
>>> The Enterprise PostgreSQL Company
>>>
>>> On Wed, Jul 13, 2016 at 5:15 PM, Harshal Dhumal <
>>> harshal(dot)dhumal(at)enterprisedb(dot)com> wrote:
>>>
>>>> Yes sure
>>>>
>>>> --
>>>> *Harshal Dhumal*
>>>> *Software Engineer*
>>>>
>>>> EnterpriseDB India: http://www.enterprisedb.com
>>>> The Enterprise PostgreSQL Company
>>>>
>>>> On Wed, Jul 13, 2016 at 5:10 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> Can you rebase this please?
>>>>>
>>>>> Thanks.
>>>>>
>>>>> On Mon, Jul 11, 2016 at 9:16 AM, Harshal Dhumal <
>>>>> harshal(dot)dhumal(at)enterprisedb(dot)com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> PFA patch for RM1405. Also to allow download in runtime we will still
>>>>>> need patch
>>>>>> <https://www.postgresql.org/message-id/CACCA4P3JOe40WYMGjhpSWYGR%3DWuvRbbp2gfDKLnU%2B1rXuW9Www%40mail.gmail.com>
>>>>>> sent by Neel.
>>>>>>
>>>>>> Changes: To download query result to CSV directly from server and not
>>>>>> to use download attr. of anchor tag (<a>) as it's not support by all of
>>>>>> major browsers (e.g. Safari).
>>>>>> Also it's not feasible to load data in html to download if result set
>>>>>> of query is very huge (in GBs).
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> *Harshal Dhumal*
>>>>>> *Software Engineer*
>>>>>>
>>>>>> EnterpriseDB India: http://www.enterprisedb.com
>>>>>> The Enterprise PostgreSQL Company
>>>>>>
>>>>>> On Wed, Jun 29, 2016 at 4:53 PM, Akshay Joshi <
>>>>>> akshay(dot)joshi(at)enterprisedb(dot)com> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Jun 29, 2016 at 3:52 PM, Murtuza Zabuawala <murtuza.
>>>>>>> zabuawala(at)enterprisedb(dot)com> wrote:
>>>>>>>
>>>>>>>> Yes, It will not work in runtime as well but I think Neel is
>>>>>>>> working for fix in run time for this issue, We might able to fix it in run
>>>>>>>> time but issue persists in Safari unless they add support in browser itself.
>>>>>>>>
>>>>>>>> https://webkit.org/status/#feature-download-attribute
>>>>>>>>
>>>>>>>>
>>>>>>>> > On 29-Jun-2016, at 3:40 pm, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>>>>>>>> >
>>>>>>>> > On Tue, Jun 28, 2016 at 10:33 AM, Murtuza Zabuawala
>>>>>>>> > <murtuza(dot)zabuawala(at)enterprisedb(dot)com> wrote:
>>>>>>>> >> Yes Dave, I agree that downloading files has been supported in
>>>>>>>> browsers since long .
>>>>>>>> >>
>>>>>>>> >> But in general we send request & then receives files from web
>>>>>>>> server but in our case we are fetching our data from Backbone models & then
>>>>>>>> converting it to CSV format for downloading as a file at client side in
>>>>>>>> browser itself.
>>>>>>>> >
>>>>>>>> > If Safari doesn't support client-side saving of files, then I
>>>>>>>> have to
>>>>>>>> > wonder if our runtime will either - both are webkit based.
>>>>>>>> >
>>>>>>>> > So I guess the next question to ask is; why don't we just
>>>>>>>> generate the
>>>>>>>> > CSV on the server side?
>>>>>>>> >
>>>>>>>>
>>>>>>>> @Akshay,
>>>>>>>> Can you please suggest on above?
>>>>>>>>
>>>>>>>
>>>>>>> As we already have complete data in backgrid's full collection,
>>>>>>> so I have used it instead of fetching it again.
>>>>>>>
>>>>>>>>
>>>>>>>> > --
>>>>>>>> > Dave Page
>>>>>>>> > Blog: http://pgsnake.blogspot.com
>>>>>>>> > Twitter: @pgsnake
>>>>>>>> >
>>>>>>>> > EnterpriseDB UK: http://www.enterprisedb.com
>>>>>>>> > The Enterprise PostgreSQL Company
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Sent via pgadmin-hackers mailing list (
>>>>>>>> pgadmin-hackers(at)postgresql(dot)org)
>>>>>>>> To make changes to your subscription:
>>>>>>>> http://www.postgresql.org/mailpref/pgadmin-hackers
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> *Akshay Joshi*
>>>>>>> *Principal Software Engineer *
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> *Phone: +91 20-3058-9517 <%2B91%2020-3058-9517>Mobile: +91
>>>>>>> 976-788-8246*
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Dave Page
>>>>> Blog: http://pgsnake.blogspot.com
>>>>> Twitter: @pgsnake
>>>>>
>>>>> EnterpriseDB UK: http://www.enterprisedb.com
>>>>> The Enterprise PostgreSQL Company
>>>>>
>>>>
>>>>
>>>
>>
>>
>> --
>> Dave Page
>> Blog: http://pgsnake.blogspot.com
>> Twitter: @pgsnake
>>
>> EnterpriseDB UK: http://www.enterprisedb.com
>> The Enterprise PostgreSQL Company
>>
>
>

--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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