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 1m19WR-0002Hl-3s for pgsql-hackers@arkaria.postgresql.org; Wed, 07 Jul 2021 15:31:35 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1m19WO-00032i-Q6 for pgsql-hackers@arkaria.postgresql.org; Wed, 07 Jul 2021 15:31:32 +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 1m19WN-00032a-R0 for pgsql-hackers@lists.postgresql.org; Wed, 07 Jul 2021 15:31:32 +0000 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1m19WI-0004Df-Hj for pgsql-hackers@lists.postgresql.org; Wed, 07 Jul 2021 15:31:30 +0000 Received: by mail-pg1-x52b.google.com with SMTP id d12so2605713pgd.9 for ; Wed, 07 Jul 2021 08:31:26 -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; bh=Y8C5crke6CxcarbcDzZ/UxAkpHkfLr2pyXKOHHJ5taY=; b=ah41hz+s4X3uuBsdl/2axcc6fCy2t5ZDCjfvae4uGoiH8wq3jga8NjE3z8RRBrk1+d P4v64wTtBnnwekks9gvW6q2N3/2Bi89GGfKVZK8cnqAGxIbsrEHxMbnLBtKNhzS4jUkE moDnNL+JsU59fZFdWRSp+h0zW+r24vyTqHHff+S0xM7VB0ZM+CNU0D4HuNtRBUKh6+yr VeXzmiMbEbs17QyupAuQFbK8tEl+D+LoQMOiwKFfnXQI3Axz/NUVdf1XLxaD5LbFvDUs BzLXK84qoQLYrYCxKBhWvpvE/2JWMVn7l83djzMA0nxNjchve1QHOh4VKHei7wZuUKUl GTqw== 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; bh=Y8C5crke6CxcarbcDzZ/UxAkpHkfLr2pyXKOHHJ5taY=; b=kpgr598h18iu/+ojHW5YI3Fm7oqpYjaijoIaB+eZchGrobrW+tTOjR53Fo0/uLNHA3 RJLrj8gJlDOtvyZWcFbI0zJDfxV8NlAwBAkAtDCnUDOe218jaROOYp8rKIUv/jAsMzKD ixFXTrf7tjz1lbwkt64oGc50gy01pRX4juVpGn3DW/JHaeEB+rqNnZm7ZlPKUDqMw3f4 Umtlmk9HLcR3NFo69rdSLfa1eHb1tARDigyE34tqFUMvy13VcMG83mnh5VvmqBqIYNtV Mllbze9iHH0zCywxe9/FjxZb6BIj8bgaynAV/29VtnHabh6hfrWEOX2xaKUXi3aJkfzt 9t/Q== X-Gm-Message-State: AOAM530ZmUjg6eS11dGtj3fBrghmtXYWJijxWHWfT0vGm3xaBFtgtcRd WcN7MmhGRzl8PrmOonMaYjqJWA== X-Google-Smtp-Source: ABdhPJyI/wKWw6qxPNd8eTvW3WQFwnhUz6Z9gr7oPDs1hyqnQVLs12o2ebT+NPVBssrgmQkGMP5Xyg== X-Received: by 2002:aa7:818d:0:b029:303:513c:b2c with SMTP id g13-20020aa7818d0000b0290303513c0b2cmr26073744pfi.61.1625671885026; Wed, 07 Jul 2021 08:31:25 -0700 (PDT) Received: from perhan.alvh.no-ip.org ([190.95.19.95]) by smtp.gmail.com with ESMTPSA id j15sm20642904pfh.194.2021.07.07.08.31.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jul 2021 08:31:24 -0700 (PDT) Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 275C92A66A0; Wed, 7 Jul 2021 11:31:22 -0400 (-04) Date: Wed, 7 Jul 2021 11:31:22 -0400 From: Alvaro Herrera To: Boris Kolpackov Cc: pgsql-hackers@lists.postgresql.org Subject: Re: Pipeline mode and PQpipelineSync() Message-ID: <202107071531.5uiisd5noppi@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 2021-Jul-07, Boris Kolpackov wrote: > Alvaro Herrera writes: > > > On 2021-Jul-07, Boris Kolpackov wrote: > > > > > I don't get any difference in behavior with this patch. That is, I > > > still get the unexpected NULL result. Does it make a difference for > > > your reproducer? > > > > Yes, the behavior changes for my repro. Is it possible for you to > > share a full program I can compile and run, plesse? > > Here is the test sans the connection setup: Thanks, looking now. (I was trying to compile libodb and everything, and I went a down rabbit hole of configure failing with mysterious m4 errors ...) -- Álvaro Herrera 39°49'30"S 73°17'W — https://www.EnterpriseDB.com/