Re: Support EXCEPT for TABLES IN SCHEMA publications
Nisha Moond <nisha.moond412@gmail.com>
From: Nisha Moond <nisha.moond412@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Peter Smith <smithpb2250@gmail.com>,
Zsolt Parragi <zsolt.parragi@percona.com>, pgsql-hackers@lists.postgresql.org
Date: 2026-06-15T11:30:50Z
Lists: pgsql-hackers
Attachments
- v13-0001-Support-EXCEPT-clause-for-schema-level-publicati.patch (application/octet-stream) patch v13-0001
- v13-0002-Add-EXCEPT-support-to-ALTER-PUBLICATION-ADD-TABL.patch (application/octet-stream) patch v13-0002
- v13-0003-Add-EXCEPT-support-to-ALTER-PUBLICATION-SET-TABL.patch (application/octet-stream) patch v13-0003
On Mon, Jun 15, 2026 at 11:50 AM Amit Kapila <amit.kapila16@gmail.com> wrote: > > On Thu, Jun 11, 2026 at 12:17 PM Peter Smith <smithpb2250@gmail.com> wrote: > > > > ////////// > > v12-0002 > > > > ====== > > doc/src/sgml/ref/alter_publication.sgml > > > > 1. > > + <para> > > + For <literal>FOR TABLES IN SCHEMA</literal> publications, the > > + <literal>EXCEPT</literal> clause is schema-scoped. If a table listed in > > + the <literal>EXCEPT</literal> clause is later moved to a different schema > > + using <command>ALTER TABLE ... SET SCHEMA</command>, the exclusion is > > + removed; the table will then be published if its new schema is part of a > > + publication. If the table is subsequently moved back to the original > > + schema, the exclusion is not restored, and must be re-established > > + explicitly using <command>ALTER PUBLICATION</command>. Dropping a table > > + always removes it from the <literal>EXCEPT</literal> clause, > > regardless of > > + publication type. > > + </para> > > > > > > I think the sentence "If the table is subsequently moved back..." is > > overkill, and does not need to be said. The prior info "the exclusion > > is removed" already tells me the exclusion is gone, and I think is > > reasonable to assume "removed" means that it is gone for good, with no > > ambiguity that it might magically come back. > > > > YMMV. Leave it as-is if you prefer. > > > > I feel it is okay to keep the proposed sentence to avoid any ambiguity > by the user to consider the schema-scope state is symmetric. > Okay, I have kept this para as-it-is. The other comments on v12-0001 from [1] have also been addressed. Please find the updated v13 patches attached. [1] https://www.postgresql.org/message-id/CAHut%2BPv-GA1oGa6%2Bnwn_5AVhBg8NuJThQVUzqhQPXJge49jnew%40mail.gmail.com -- Thanks, Nisha
Commits
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API reference →
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Doc: Clarify that publication exclusions track table identity.
- 77b6dd909252 19 (unreleased) cited