Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kALet-0001Qq-D6 for pgsql-admin@arkaria.postgresql.org; Mon, 24 Aug 2020 23:13:47 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kALes-0008Vx-1u for pgsql-admin@arkaria.postgresql.org; Mon, 24 Aug 2020 23:13:46 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kALer-0008Vq-Kh for pgsql-admin@lists.postgresql.org; Mon, 24 Aug 2020 23:13:45 +0000 Received: from mail-qt1-x841.google.com ([2607:f8b0:4864:20::841]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1kALeo-0005aH-Ip for pgsql-admin@postgresql.org; Mon, 24 Aug 2020 23:13:44 +0000 Received: by mail-qt1-x841.google.com with SMTP id t23so7710828qto.3 for ; Mon, 24 Aug 2020 16:13:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=2ndquadrant-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=DHFM0ZdXHX/e+urgLtJm5lCU9LVvMOViu9o8Z41okTI=; b=ge1wfaPVAiVcibJOb2g4/ImSw6NiQD0Uyp803L2QPdo5wu0+E6wrqIF4wUGRYlTc1V HvxAgkDp+t1/p87BCtuOtCvT6qXza4Nf0BPyMgr3n975Bg/b+iDUg4RuNGBIrsK2zUMP wFCL+OppCU+GUacK8ZoRfRrK75ttIjbYTpAATVBT93z4iKXrxyokpWClkJF9138aDVHT fgrx++AzTHRyL16+WyRKcbpX6Zu5YbuNO9o3uAI/z1p5wAHHbcCPQtEYSwMzIfp1YNLJ AyswOByFuPRajlAnU0RS5Zp4jlPfdLIczJHb5BK9ijouLhuQU/VpojtWgZjVCPZvCbNV UJPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=DHFM0ZdXHX/e+urgLtJm5lCU9LVvMOViu9o8Z41okTI=; b=G4L8X9Ejr+4s/5Nz8rCGJrAoGPl8hT40F/Sha7C5FYQz3wwFyf5ztPmKsgqOrnks4v 5WsqCugHEaUpD6iCuQfH5Sks0O17NULQtJ+qLSRBBGEqFaeanqvTe78h/wHPLPFtoxGl tli5NmMcNDAYuKHFoo+fJhgxKZlDvnqdH6eHLFs9Cve3e9oohbI52WSPyivUalflKFNQ bjUVzlR3W6b96R9+kXqW3fhM+pz6VAmMwZvvaqpC8PGx5zfGLDkh/t6/nKRqd51xJZuk 6jQu7//VFd5jI9NJgDOKrMSIs3JSLFQYmyXAdd56FxzrFYomNdPLxFx07wXQP9waee/g WZ4Q== X-Gm-Message-State: AOAM531u0VPzLOggFhzdyJvWu7yIzQfj7FA/RM1UWRJ7/BRuW62AL6VW vTchCVUMvFA4E1z0dd7G6jqByw== X-Google-Smtp-Source: ABdhPJymy6ynoVDrm5uBE33thZZCDCcb5/4NaOSvWWpts/bAWRbZN6xdwQ6vEkesmcmcZPnzTjqT0g== X-Received: by 2002:aed:36c8:: with SMTP id f66mr7071696qtb.6.1598310821546; Mon, 24 Aug 2020 16:13:41 -0700 (PDT) Received: from perhan.alvh.no-ip.org ([190.95.19.47]) by smtp.gmail.com with ESMTPSA id o72sm10680512qka.113.2020.08.24.16.13.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2020 16:13:41 -0700 (PDT) Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 86F1A2A03A7; Mon, 24 Aug 2020 19:13:38 -0400 (-04) Date: Mon, 24 Aug 2020 19:13:38 -0400 From: Alvaro Herrera To: Wells Oliver Cc: pgsql-admin Subject: Re: Odd pg dump error: cache lookup failure Message-ID: <20200824231338.GA30623@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2020-Aug-24, Wells Oliver wrote: > 12.4. Both of those queries return no rows, with and without those options > set. > > We do do some nightly processing of data during the same window, in which > views are re-materialized: would that cause this issue? No non-temporary > tables are dropped or re-created, though. Oh, so this could be some kind of relation that exists when pg_dump starts but is dropped before it reaches the point where it dumps the data for that relation. Hmm. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services