| From: | Jim Jones <jim(dot)jones(at)uni-muenster(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Matheus Alcantara <matheusssilv97(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Subject: | Re: COMMENTS are not being copied in CREATE TABLE LIKE |
| Date: | 2026-02-26 13:39:02 |
| Message-ID: | ceccea29-b7a9-4b79-9a06-6e1197d7f290@uni-muenster.de |
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| Lists: | pgsql-hackers |
On 13/02/2026 10:19, Jim Jones wrote:
> ...
> Example:
>
> CREATE TABLE t1 (a int);
> COMMENT ON TABLE t1 IS 'comment from table 1';
> CREATE TABLE t2 (b int);
> COMMENT ON TABLE t2 IS 'comment from table 2';
> CREATE TABLE t3 (c int);
> COMMENT ON TABLE t3 IS 'comment from table 3';
>
> CREATE TABLE tm (
> LIKE t1 INCLUDING COMMENTS,
> LIKE t3 INCLUDING COMMENTS,
> LIKE t2 INCLUDING COMMENTS
> );
>
> SELECT obj_description('tm'::regclass, 'pg_class') AS table_comment;
> table_comment
> ----------------------
> comment from table 1+
> comment from table 3+
> comment from table 2
> (1 row)
>
>
> Any thoughts on that?
Rebase
Best, Jim
| Attachment | Content-Type | Size |
|---|---|---|
| v3-0001-Add-table-comments-in-CREATE-TABLE-LIKE-INCLUDING.patch | text/x-patch | 9.6 KB |
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