Re: Improvements and additions to COPY progress reporting

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От Josef Šimánek
Тема Re: Improvements and additions to COPY progress reporting
Дата
Msg-id CAFp7QwotqR+aRP34nGiHRHZpEYDQQ1yZhzNDuE6MUQ=rLgNYbA@mail.gmail.com
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Ответ на Improvements and additions to COPY progress reporting  (Matthias van de Meent <boekewurm+postgres@gmail.com>)
Список pgsql-hackers
út 9. 2. 2021 v 12:51 odesílatel 0010203112132233 <boekewurm@gmail.com> napsal:
>
> On Tue, 9 Feb 2021 at 09:32, Josef Šimánek <josef.simanek@gmail.com> wrote:
> >
> > po 8. 2. 2021 v 19:35 odesílatel Matthias van de Meent
> > <boekewurm+postgres@gmail.com> napsal:
> > > Lastly, 0005 adds 'io_target' to the reported information, that is,
> > > FILE, PROGRAM, STDIO or CALLBACK. Although this can relatively easily
> > > be determined based on the commands in pg_stat_activity, it is
> > > reasonably something that a user would want to query on, as the
> > > origin/target of COPY has security and performance implications,
> > > whereas other options (e.g. format) are less interesting for clients
> > > that are not executing that specific COPY command.
> >
> > I took a little deeper look and I'm not sure if I understand FILE and
> > STDIO. I have finally tried to finalize some initial regress testing
> > of COPY command progress using triggers. I have attached the initial
> > patch  applicable to your changes. As you can see COPY FROM STDIN is
> > reported as FILE. That's probably expected, but it is a little
> > confusing for me since STDIN and STDIO sound similar. What is the
> > purpose of STDIO? When is the COPY command reported with io_target of
> > STDIO?
>
> I checked for the type of the copy_src before it was correctly set,
> therefore only reporting FILE type, but this will be fixed shortly in
> v3.

OK, would you mind to integrate my regression test initial patch as
well in v3 or should I submit it later in a separate way?

> Matthias



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