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 1vQmlG-000NU3-2q for pgsql-hackers@arkaria.postgresql.org; Wed, 03 Dec 2025 13:19:15 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vQmlF-00DM7e-1W for pgsql-hackers@arkaria.postgresql.org; Wed, 03 Dec 2025 13:19:13 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with utf8esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vQmlF-00DM7W-0Y for pgsql-hackers@lists.postgresql.org; Wed, 03 Dec 2025 13:19:13 +0000 Received: from out203-205-221-191.mail.qq.com ([203.205.221.191]) by makus.postgresql.org with utf8esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vQmlB-002vkj-2k for pgsql-hackers@lists.postgresql.org; Wed, 03 Dec 2025 13:19:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1764767938; bh=AQhKtewSNPZPiaxIb7RcRJv1Q/ZEu0tBv6PZGKsBwUs=; h=From:To:Subject:Date:References:In-Reply-To; b=J9py8NWlnWQWre1g6ftZ/lAfw15nEEUBY+4Z8nAb/BCTt6rRiBhSM/00tZbDm8TFm a2srZDByZ5/r3JHkQcxk5Roc/41eXxibDPIzsZtdTcEr9l2wGWtDhsqcXKqaOpZqb9 Vi/Hii1avIo9/Hc+xEYFm11rB3GsCUAZ9ah4RG/I= X-QQ-XMRINFO: NyFYKkN4Ny6FSmKK/uo/jdU= X-QQ-XMAILINFO: Nc4sSaQs5LhjeiO3Zl5sf8QSeqFSJoSiVgHxpbwuxDX1QQWBQ0HaXP+dhjznmn MTOwwEpg9Y0yxPNAYAl8qs/UleBp32x02lp17QjhF01KF5DSNolqPC+pptbvRs+aP1G20PAQxPGx0 ERSvgEpGY849XCCQha83abvjEDb0by4KQSbp9QxQOYQmcMD8rTQZtkNLgy6Om8CnzFWIzCI3gsfdH 4J4U7JTmyMtwTAhGif4uVcWGALbaO+sQulpLjls8RSx9CtbvGEOAR43QvgO3KEzvDi0xbOTv5hUsc 7gnWZEwhhSvZzf/eQ3mQ2ORkqmZuAd1m8eD5HvhuDX/kFpioBFc0XvNRnDFYZka18vSqnqTRwrfzW 04JycCQ/YbA5nTowVRNTooKuIRV66CuZ61wIuQkWxp6Y/37eCUsiJUE7pnIUYaX4C+BL+zqYMlvDm NkZbEDkIVuqbnHtdljdktH1cMI/Q9fY97OAjD8W3cRZWTEF1IxAYN8wfUxtf+4FeedpJeN/wU2MnF qnR96VFFXD79W5fCI89baRhTt2PJFRWJa+ZUa0YqgoI+joV18Z+MpK8o1LVPGyI++NLuzKS2+QDsk Lcx+EwDubzz8MDi4b+/IDI4vjJQXkIM30WugtWAmkb3qF0tzFPMZkso3XPHvB8ljXi1zdKely+FGo NmzWnHJ5y9pneW4ZoEyR4B+QdD4XJgVw1h3vnxZZewJ8PT4q8uSN1Udd2uzdEjGA7PlpagKztOHye PDeR+L1cHYca2UkEYqGZzxkYSyVo667GWq88/qOOS1tHyQNXp0nPA453h3AuDLclaYRQjRc/L6ak2 rRthBqIwOCwSkXn30zQZ6wl3b26vFAhfcRctD/Q7gpoIGBKldvCz/JBoviFChsE5wphaMm2waNm/n qd2AJ5NhxY7gpebV/k0I4ouJEtdBnb5SEsCpb5BLa9X4O2vGw9XZhYHQJkadqhbFkog1X0Am308VC oDPgUt/tRLjySpbQUh2ydXOnhzWA4V4tq9TFAw1arp8TJ0M2HKlptZUV48cazC2AIsTEHktQv/orT PNxKIDGK55AZMzBUd7h4XusjQPpEC0PWVP34Z From: "=?utf-8?B?Y2NhNTUwNw==?=" To: "=?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: Wed, 3 Dec 2025 21:18:57 +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: xmseza62-0t1764767937txk05uecy List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk PiBTb8Kgb27CoHNwZWNpZmljwqBkYXRhLMKgdGhlwqBoZWFwwqBtYXnCoGJlwqBiZXR0ZXLC oHRoYW7CoHRoZcKgbG9zZXLCoHRyZWUuwqBCdXTCoEnCoHRoaW5rwqB0aGXCoHBvc3NpYmls aXR5DQo+IGlzwqB2ZXJ5wqBzbWFsbC4NCg0KRm9yIGV4YW1wbGUsIGEgY29sdW1uIGNvbnRh aW5zIGFsbCB0aGUgc2FtZSB2YWx1ZXMsIHNvIHRoZSBoZWFwIGNhbiBhbHdheXMgZWFybHkg cmV0dXJuDQp3aGVuIHJlcGxhY2luZyB0b3AuDQoNCi0tDQpSZWdhcmRzLA0KQ2hhbmdBb8Kg Q2hlbg0K