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From: David G. Johnston <[email protected]>
To: [email protected] <[email protected]>
To: [email protected] <[email protected]>
Subject: Re: Docs about INSERT wait in Read Commited transaction
Date: Sun, 8 May 2022 18:27:31 -0700
Message-ID: <CAKFQuwbkCJ=BBGtunXMEdRCEpXgWu3jr-Fw-hSFKdJMHq-owTw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On Saturday, May 7, 2022, PG Doc comments form <[email protected]>
wrote:

> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/14/transaction-iso.html
> Description:
>
> Hello
> I've noticed, if two transactions in read committed mode are trying to
> insert same value to unique column, second transaction INSERT will wait for
> the first transaction commit or rollback. Can't see this behavior
> explicitly
> stated in the doc about transaction isolation modes.
>
>
It is documented elsewhere:

https://www.postgresql.org/docs/current/index-unique-checks.html

David J.

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