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From: PG Doc comments form <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: An example in UPDATE documentation page is a bit outdated
Date: Sat, 07 Mar 2026 11:54:44 +0000
Message-ID: <[email protected]> (raw)

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/18/sql-update.html
Description:

There is an example on UPDATE documentation page --

BEGIN;
-- other operations
SAVEPOINT sp1;
INSERT INTO wines VALUES('Chateau Lafite 2003', '24');
-- Assume the above fails because of a unique key violation,
-- so now we issue these commands:
ROLLBACK TO sp1;
UPDATE wines SET stock = stock + 24 WHERE winename = 'Chateau Lafite 2003';
-- continue with other operations, and eventually
COMMIT;

Now we can use INSERT ... ON CONFLICT DO UPDATE command in this case.

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