Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vR2Z9-004ok1-1G for pgsql-hackers@arkaria.postgresql.org; Thu, 04 Dec 2025 06:11:48 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vR2Z7-000v9y-2i for pgsql-hackers@arkaria.postgresql.org; Thu, 04 Dec 2025 06:11:46 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with utf8esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vR2Z7-000v9q-0L for pgsql-hackers@lists.postgresql.org; Thu, 04 Dec 2025 06:11:45 +0000 Received: from out203-205-221-202.mail.qq.com ([203.205.221.202]) by magus.postgresql.org with utf8esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vR2Z0-00330y-1x for pgsql-hackers@lists.postgresql.org; Thu, 04 Dec 2025 06:11:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1764828690; bh=UyZjNHzsXe6Taqeu3kbtL/QEqhKIlxQBdCJt2+QKW5Q=; h=From:To:Cc:Subject:Date:References:In-Reply-To; b=LAqm1j8VmqYkwUC+vVOihvu59R+0lNZ53mPyZ3Z9Hf1HAat56gxWdIlhV4xcISEup hnaTe1UcSUp2whVqkOF9ziGlrsQOzIjO7d8jWx5Zwi5DfssCo8kWlZU1kBoFCswJ4t HrNgS4qMMt62zwpDnZAmrZ32GR9hYiYktMSFXZcA= X-QQ-XMRINFO: MPJ6Tf5t3I/ycC2BItcBVIA= X-QQ-XMAILINFO: MKVveX6L3x8GNEd8FwtKfDgIks+13rzfQOubLTljMvXxDxeZKHnf1KfTHRm0mt KFQgvSl7j9C2NaEfuBBxeiolHta97TwiRkkYbs0aFbYQYgcwKjDjIv1IMswkV1gApl3212iegSuHK NNDvoU3fKwMNk4fnQDiHKWkHfhE5WuZeVD7sRkQf5vgMME1yGHtjLKS5hOLRctiQ/YGa7VtbRbAT9 iBmJ0pDSVxX5yxmq/jUD7MjSwcAMpdczqPW/K/Z4ilaue0983SmJvmAnVOXOHTHtIToRKRdv1tEbg KycKhgJAxdZgjuXRUTf6YJJ6Qzq/+RCMt343uCp0pt8ZhAqar6IheWMm0capJY33+zEmQcirMd4IS 3+EggTnkebCcavyYh0NXJKuiMACjzBf6AHIlcOZW81XMIUbGb/JpBccffZwGXdapRQDrkayFJZ/EX l0GJoTDIDBIsw2x/KQuScaHc9H+qNJu9IUuAbNNYY1faKX3YtOrq4MZEXI2iW62Ic4jROIlpwi4Ey a/NPCVFv4/knO85aaRFiWSLcRSXhvj7XlNH3ITl9l7t99JLyJaFPhyVCtObNobzjY+Aa12oOj1Gtg x9DmmyX9bvndPxf0/xX5pRKVqoarJTolD8Z8L9bOqVJHqLZkOXbW1aPOILRHRN8+tjeiZuGQG/cIB e/pM9F3Ej1q6R9pfx0W6UEcCpKFtoiBj8DKW/WtZ7BpCmA2ge/Sm7N5pVHCrJXUxmluEgrGA4Wrs7 /jqkP076Do0QBxOdYWJnvl3zBj00xP2J+vneJ/6wtsvmseuwtx1KsQu82Fu2gLQzUPlfJOjGiln3o HSXu6fYXXNgM19Y12Xyt/F1tWJR0nzZgJUZmpIXFGg8mF9N3Wo0byN3wazBv9gR5yWWPuNcN+9U8o 505c0Hk9YtFMBtEZ52K0oFxC0XzvEA8QpIpdcXqq8vqT7jOoNR7QKRnMr8w+8GkKOX5ogbR3qgMNt T8Y4udAkjjIKFjlJQVkTXBEHKJXNFOvdoyoYExGg3qsdRo0GO80gO5yZeYMK+x1j09UQLF4MBdMMG fmq+okdlFQ5n5BxRi3kjXG9GQrXz6t/s3c20FLCOpqPFAfFGUfAYrR/twMKEos9M5gtPN From: "=?utf-8?B?Y2NhNTUwNw==?=" To: "=?utf-8?B?Sm9obiBOYXlsb3I=?=" , "=?utf-8?B?U2FtaSBJbXNlaWg=?=" Cc: "=?utf-8?B?SGVpa2tpIExpbm5ha2FuZ2Fz?=" , "=?utf-8?B?cGdzcWwtaGFja2Vycw==?=" Subject: Re: Support loser tree for k-way merge Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Date: Thu, 4 Dec 2025 14:11:29 +0800 X-Priority: 3 Message-ID: X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x References: <28f47336-84e2-445e-8216-d1ce7d3ddc3e@iki.fi> In-Reply-To: X-QQ-mid: xmseza62-0t1764828689tynexvq2k List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk SGksDQoNCkkgc3VtbWFyaXplZCB0aGUgbnVtYmVyIG9mIGNvbXBhcmlzb25zIG5lZWRlZCBm b3IgZGlmZmVyZW50ICdrJzoNCg0KayA9IDIsIGhlYXA6IDEsIGxvc2VyIHRyZWU6IDENCmsg PSAzLCBoZWFwOiAyLCBsb3NlciB0cmVlOiBbMSwgMl0NCmsgPSA0LCBoZWFwOiBbMiwgM10s IGxvc2VyIHRyZWU6IDINCmsgPSA1LCBoZWFwOiBbMiwgNF0sIGxvc2VyIHRyZWU6IFsyLCAz XQ0KDQpTbyBpZiBrIDwgNSwgdGhlIGxvc2VyIHRyZWUgaXMgbmV2ZXIgd29yc2UgdGhhbiB0 aGUgaGVhcCBmb3IgYW55IGlucHV0IGRhdGEuIA0KDQpUaG91Z2h0cz8NCg0KLS0NClJlZ2Fy ZHMsDQpDaGFuZ0FvIENoZW4NCg==