Re: BUG #19013: When creating a table with the "...LIKE...INCLUDING ALL" construct, REPLICA IDENTITY output is wrong

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От David G. Johnston
Тема Re: BUG #19013: When creating a table with the "...LIKE...INCLUDING ALL" construct, REPLICA IDENTITY output is wrong
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Msg-id CAKFQuwbnfSySRV-axfQXAsd37ERQf=8L5FQSVnRM27aBmW5uFA@mail.gmail.com
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Ответ на Re: BUG #19013: When creating a table with the "...LIKE...INCLUDING ALL" construct, REPLICA IDENTITY output is wrong  ("dbman@sqlexec.com" <dbman@sqlexec.com>)
Ответы Re: BUG #19013: When creating a table with the "...LIKE...INCLUDING ALL" construct, REPLICA IDENTITY output is wrong
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On Wednesday, August 6, 2025, dbman@sqlexec.com <dbman@sqlexec.com> wrote:
On 8/5/2025 7:01 PM, David G. Johnston wrote:
On Tue, Aug 5, 2025 at 2:43 PM PG Bug reporting form <noreply@postgresql.org> wrote:
The following bug has been logged on the website:

Bug reference:      19013
Logged by:          Michael Vitale
Email address:      dbman@sqlexec.com
PostgreSQL version: 17.5
Operating system:   CentOS 8 Streams
Description:       


We don't document that the replica identity attribute of a table is something that can be copied.  'ALL' only covers those things which are documented as being copy-able.

David J.

I understand your logic about not everything is copy-able, just what is documented, but this is a different case.  I am not complaining that it is not copying the REPLICA IDENTITY, but rather that it is copying it in a WRONG WAY, changing its property from FULL to DEFAULT.  I think that is a reasonable complaint.  If you are going to attempt to copy it erroneously, then I think you should consider that a bug and fix it.  Otherwise, remove it and don't try to copy it.  Does that seem reasonable?


Reading the docs, if you just perform a create table (no like) you’ll find pg_class.relreplident is set to “d”.  That field is never null.  There is no concept of “remove it”.

David J.

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