Re: Allow logical replication to copy tables in binary format

Melih Mutlu <m.melihmutlu@gmail.com>

From: Melih Mutlu <m.melihmutlu@gmail.com>
To: Peter Smith <smithpb2250@gmail.com>, "shiy.fnst@fujitsu.com" <shiy.fnst@fujitsu.com>, houzj.fnst@fujitsu.com
Cc: vignesh C <vignesh21@gmail.com>, "Takamichi Osumi (Fujitsu)" <osumi.takamichi@fujitsu.com>, Amit Kapila <amit.kapila16@gmail.com>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, Dilip Kumar <dilipbalaut@gmail.com>, Euler Taveira <euler@eulerto.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2023-03-16T13:20:13Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Allow logical replication to copy tables in binary format.

  2. Common function for percent placeholder replacement

  3. Doc: add XML ID attributes to <sectN> and <varlistentry> tags.

  4. Re-order disable_on_error in tab-complete.

  5. Make subscription tests pass with log_error_verbosity=verbose

  6. Weaken type-OID-matching checks in array_recv and record_recv.

  7. Allow logical replication to transfer data in binary format.

Attachments

Hi,

Please see the attached v16.

Peter Smith <smithpb2250@gmail.com>, 16 Mar 2023 Per, 03:03 tarihinde şunu
yazdı:

> Here are some review comments for v15-0001
>

I applied your comments in the updated patch.

shiy.fnst@fujitsu.com <shiy.fnst@fujitsu.com>, 16 Mar 2023 Per, 05:35
tarihinde şunu yazdı:

> On Thu, Mar 16, 2023 2:26 AM Melih Mutlu <m.melihmutlu@gmail.com> wrote:
> >
> > Right, it needs to be ordered. Fixed.
> >
>
> Hi,
>
> Thanks for updating the patch. I tested some cases like toast data,
> combination
> of row filter and column lists, and it works well.
>

Thanks for testing. I changed wait_for_log lines as you suggested.

houzj.fnst@fujitsu.com <houzj.fnst@fujitsu.com>, 16 Mar 2023 Per, 05:55
tarihinde şunu yazdı:

> 1.
> +       {
> +               appendStringInfo(&cmd, " WITH (FORMAT binary)");
>
> We could use appendStringInfoString here.
>

Done.


> 2.
> I think it would be better to pass the log offset when using wait_for_log,
> because otherwise it will check the whole log file to find the target
> message,
> This might not be a big problem, but it has a risk of getting unexpected
> log message
> which was generated by previous commands.
>

You're right. I added offsets for wait_for_log's .

Thanks,
-- 
Melih Mutlu
Microsoft