From: PG Doc comments form <noreply@postgresql.org>
To: pgsql-docs@lists.postgresql.org
Cc: llucenic@gmail.com
Subject: CHECK constraints - order of evaluation
Date: Thu, 14 May 2020 09:06:34 +0000
Message-ID: <158944719436.678.10650510391656422908@wrigleys.postgresql.org> (raw)
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/9.6/ddl-constraints.html
Description:
I think the information about the "order of execution" when checking CHECK
constraints when inserting or updating records is missing in the
documentation.
There seems to be an old e-mail thread on the topic, however, there is no
information on whether the patch submitted was already merged and if so, in
which version of PostgreSQL.
I also suggest it would be good to point out in the documentation how the
order of CHECK constraints is created when there are more column CHECK
constraints and table CHECK constraints (i.e. in mixed cases) or whether
only the name of the constraint is relevant when it comes to it, not its
type (column/table).
Thank you very much in advance.
Kindest regards,
Ľudovít
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Subject: Re: CHECK constraints - order of evaluation
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