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From: Zsolt Parragi <[email protected]>
To: Chao Li <[email protected]>
Cc: Jacob Champion <[email protected]>
Cc: Andrey Borodin <[email protected]>
Cc: Daniel Gustafsson <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Tom Lane <[email protected]>
Subject: Re: Improve OAuth discovery logging
Date: Tue, 17 Mar 2026 05:29:04 +0000
Message-ID: <CAN4CZFOwmgyv1002=EZTSM__97gX-1fG0Q3Q4Zy=XviVtZPRxg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAN4CZFPim7hUiyb7daNKQPSZ8CvQRBGkVhbvED7yZi8VktSn4Q@mail.gmail.com>
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> As is_log_level_output() returns false against FATAL_CLIENT_ONLY, so that FATAL_CLIENT_ONLY should not reach send_message_to_server_log(). Should we assert edata->elevel != FATAL_CLIENT_ONLY?

Andrey asked the same question upthread, this mirrors how
WARNING_CLIENT_ONLY is implemented.

> As far as I understand, for a programmer error, Assert should be used. Why do we use elog(ERROR) here?

+1, I would also say that for CheckSASLAuth, specifying abandoned is
always required, since the caller can't know when it will result in an
error. So the assert/if should be at the beginning of the function,
not in the error path.

Or instead:

+ /*
+ * "Abandoned" is a SASL-specific state similar to STATUS_EOF, in that we
+ * don't want to generate any server logs. But it's caused by an in-band
+ * client action that requires a server response, not an out-of-band
+ * connection closure, so we can't just proc_exit() like we do with
+ * STATUS_EOF.
+ */
+ bool abandoned = false;
+

Have you considered adding the error level here instead, the same way
as in auth_failed, explicitly defaulted to normal fatal by the caller,
so existing code don't have to change it? That wouldn't need an
SASL-specific explanation or flag in the generic code.





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