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From: Tom Lane <tgl@sss.pgh.pa.us>
To: leiyanliang@highgo.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17048: about trace_locks parameter problem
Date: Fri, 04 Jun 2021 20:21:22 -0400
Message-ID: <507253.1622852482@sss.pgh.pa.us> (raw)
In-Reply-To: <17048-771af7a9c54fea93@postgresql.org>
References: <17048-771af7a9c54fea93@postgresql.org>

PG Bug reporting form <noreply@postgresql.org> writes:
> in the following SQL statement's result ,there is no trace_locks
> parameter.
> but in the
> documents(https://www.postgresql.org/docs/current/runtime-config-developer.html),there
> is trace_locks parameter

Note where that page says

    This parameter is only available if the LOCK_DEBUG macro was defined
    when PostgreSQL was compiled.

Most builds don't have that turned on.

			regards, tom lane





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