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 1m1411-0007eE-8P for pgsql-hackers@arkaria.postgresql.org; Wed, 07 Jul 2021 09:38:47 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1m1410-0002vq-2f for pgsql-hackers@arkaria.postgresql.org; Wed, 07 Jul 2021 09:38:46 +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 1m140z-0002vi-NW for pgsql-hackers@lists.postgresql.org; Wed, 07 Jul 2021 09:38:45 +0000 Received: from codesynthesis.com ([188.40.148.39]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m140w-0001Qr-Ft for pgsql-hackers@lists.postgresql.org; Wed, 07 Jul 2021 09:38:44 +0000 Received: from brak.codesynthesis.com (unknown [105.187.34.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by codesynthesis.com (Postfix) with ESMTPSA id 38FCD5FB5A; Wed, 7 Jul 2021 09:38:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codesynthesis.com; s=mail1; t=1625650719; bh=WRzTVwxsw+f+psnhc4LN8KJ+Xm0IrdC0cCHpZOsrAYY=; h=Date:From:To:Subject:Message-ID:MIME-Version:From; b=cCPiORxMCTTMY+rWkTCRK80Y1ELPKwpc/vNJzVjXXtx8+apsCOE2ILYAfpVwFIi0S VdTn/yBiPo+n7OH5WA9eSy8IfQAkS0oyLM9gLn2yV8/MhPZsSZyGhGyd/0VFiKv1KB OBt7ru0qwtrZbBGvEYXYQW2Lbqvv7+uT2IMOq63znzQZt9IFeJfiRzXHsf5WkLhPT6 6dCEmFKvNLYjltS9mBHlWXKTaEg/1VvyYxnDhkR4tDsbini39q5n53rJcgvmLgFKgK gO7SP2oQp3NEm+qu3vbZuhwjV6eAK7ss34TAtQmd8Jcgrc93GfCF9G/v8HW8ZwxHOy qVZvPZ9QiHcFw== Received: by brak.codesynthesis.com (Postfix, from userid 1000) id 8CA9F1A800C4; Wed, 7 Jul 2021 11:38:33 +0200 (SAST) Date: Wed, 7 Jul 2021 11:38:33 +0200 From: Boris Kolpackov To: Alvaro Herrera Cc: pgsql-hackers@lists.postgresql.org Subject: Re: Pipeline mode and PQpipelineSync() Message-ID: References: <202107061747.tlss7f2somqf@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202107061747.tlss7f2somqf@alvherre.pgsql> Organization: Code Synthesis User-Agent: Mutt/1.5.24 (2015-08-30) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Alvaro Herrera writes: > Can you please try with this patch? 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?