From: | Neel Patel <neel(dot)patel(at)enterprisedb(dot)com> |
---|---|
To: | pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org> |
Subject: | Re: [pgAdmin4][patch][runtime]: RM#2829, RM#2491 - pgAdmin4 crashes while saving CSV data from Query tool |
Date: | 2017-11-16 13:47:24 |
Message-ID: | CACCA4P3UgdkPHBaB59tSXmbnpqCWObgmZRpzqO9CRxh4s3OAhQ@mail.gmail.com |
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Hi,
Adding information.
With this patch, RM#2715 should also be resolved.
Thanks,
Neel Patel
On Thu, Nov 16, 2017 at 7:01 PM, Neel Patel <neel(dot)patel(at)enterprisedb(dot)com>
wrote:
> Hi,
>
> I am able to reproduce the crash while downloading and save data in CSV
> file from query tool.
>
> Please find attached updated patch with below changes after reading Qt
> documentation.
>
> - Added new signal "readyRead". As per the Qt documentation, this
> signal will be emitted when data is ready from IO channel for large amount
> of data transfer between server and client.
> - Ready read and DownloadInProgress signal is very quick in call so we
> should not do large operation inside that slot because for downloading big
> data it may possible of frequent call of those signals which may cause the
> crash or missing data to write inside the file so removed unnecessary logic
> from that slot.
> - Fixed the crash while opening IODevice with NULL handle.
>
> With above changes, I have tested with same data as earlier and it is
> working as expected without crashing the application.
>
> Do review it and let me know for comments.
>
> Thanks,
> Neel Patel
>
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