Re: How do I upsert depending on a second table?

On 9/23/25 13:36, Samuel Marks wrote:
> Attempt:
> ```sql
> CREATE TABLE org
> (
> "name" VARCHAR(50) PRIMARY KEY,
> owner VARCHAR(50) NOT NULL
> );
>
> CREATE TABLE repo
> (
> "id" INTEGER PRIMARY KEY,
> full_name VARCHAR(255) UNIQUE NOT NULL,
> org VARCHAR(50) NOT NULL REFERENCES org ("name")
> );
>
> INSERT INTO org(name, owner) VALUES ('org0', 'user0');
>
> INSERT INTO repo (id, full_name, org)
> VALUES (0, 'org0/name0 by wrong user', 'org0')
> ON CONFLICT (full_name) DO UPDATE
> SET full_name = EXCLUDED.full_name,
> org = EXCLUDED.org
> WHERE EXISTS (SELECT 1
> FROM org org_tbl
> WHERE org_tbl.name = EXCLUDED.org
> AND org_tbl.owner = 'wrong user')

Where is org_tbl?

Or is this a copy and paste error?

> RETURNING *;
>
> SELECT * FROM repo WHERE id = 0;
> ```
>
> This all succeeds. It should fail because the 'wrong user' is trying
> to create a new—or update an existing—repo.
>
> Thanks for all suggestions
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com