Is it worth adding Assert(false) for unknown paths in print_path()?

From: David Rowley <dgrowleyml(at)gmail(dot)com>
To: PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>
Subject: Is it worth adding Assert(false) for unknown paths in print_path()?
Date: 2023-09-28 11:23:00
Message-ID: CAApHDvrNB2maad+O+rUGV1Fzj=WQHiJTXSfQx5KBFDxyfjmbeA@mail.gmail.com
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In [1] Andrey highlighted that I'd forgotten to add print_path()
handling for TidRangePaths in bb437f995.

I know the OPTIMIZER_DEBUG code isn't exactly well used. I never
personally use it and I work quite a bit in the planner, however, if
we're keeping it, I thought maybe we might get the memo of missing
paths a bit sooner if we add an Assert(false) in the default cases.

Is the attached worthwhile?

David

[1] https://www.postgresql.org/message-id/379082d6-1b6a-4cd6-9ecf-7157d8c08635@postgrespro.ru

Attachment Content-Type Size
assert_fail_unknown_paths_in_print_path.patch application/octet-stream 915 bytes

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