Return-Path: X-Original-To: apmail-lucene-java-user-archive@www.apache.org Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 044C5D85B for ; Fri, 20 Jul 2012 09:59:27 +0000 (UTC) Received: (qmail 61097 invoked by uid 500); 20 Jul 2012 09:59:24 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 60963 invoked by uid 500); 20 Jul 2012 09:59:24 -0000 Mailing-List: contact java-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: java-user@lucene.apache.org Delivered-To: mailing list java-user@lucene.apache.org Received: (qmail 60434 invoked by uid 99); 20 Jul 2012 09:59:22 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 Jul 2012 09:59:22 +0000 X-ASF-Spam-Status: No, hits=2.8 required=5.0 tests=HK_RANDOM_ENVFROM,HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of qibaoyuan@126.com designates 220.181.15.47 as permitted sender) Received: from [220.181.15.47] (HELO m15-47.126.com) (220.181.15.47) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 Jul 2012 09:59:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Received:Date:From:To:Subject:Content-Type: MIME-Version:Message-ID; bh=pgudOrCBIP5BCUeycYHPvsZD64Uh5BfD/QRO oEM3Nc4=; b=XtqJrwT6CUPCMqt8npPrRSKwQqCvdmdOFALMyThI6zqGR2V0SXcI 7z/rnf79rVG72aYu0ISwQQH3FEOPNSF3/Vm5z2SwKlXZMkoadyxmlgcoSp8PEWs7 aQ6ZcPZ/gQdUj0E6vjTP12QwZhLHrZCCQSYatqK7HXLhBvyzUDv45iI= Received: from qibaoyuan$126.com ( [159.226.43.35] ) by ajax-webmail-wmsvr47 (Coremail) ; Fri, 20 Jul 2012 17:58:51 +0800 (CST) X-Originating-IP: [159.226.43.35] Date: Fri, 20 Jul 2012 17:58:51 +0800 (CST) From: =?GBK?B?xuuxo9Sq?= To: java-user@lucene.apache.org Subject: how does lucene deal with intersection? X-Priority: 3 X-Mailer: Coremail Webmail Server Version SP_ntes V3.5 build 20120507(18390.4657.4663) Copyright (c) 2002-2012 www.mailtech.cn 126com X-CM-CTRLDATA: 52zU92Zvb3Rlcl9odG09NjA0Ojgx Content-Type: multipart/alternative; boundary="----=_Part_274937_557405023.1342778331659" MIME-Version: 1.0 Message-ID: <69a3c7fe.198c9.138a3d3520b.Coremail.qibaoyuan@126.com> X-CM-TRANSID: L8qowEDJMkbbKwlQ64w+AA--.3304W X-CM-SenderInfo: 5tlet0h1xd0qqrswhudrp/1tbi4xzxNE3LjnNlyQABss X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_274937_557405023.1342778331659 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: 7bit hi, I have two collections:the first collection has documents like 'docID,content', and the other collection has documents like 'docID,ratings'.Is there any fast algorithm to get the intersection between these two collections after search? I canot merge the fields together for particular reasons. ------=_Part_274937_557405023.1342778331659--