Return-Path: X-Original-To: apmail-openjpa-dev-archive@www.apache.org Delivered-To: apmail-openjpa-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 069AF97B0 for ; Thu, 2 Feb 2012 16:29:17 +0000 (UTC) Received: (qmail 55928 invoked by uid 500); 2 Feb 2012 16:29:16 -0000 Delivered-To: apmail-openjpa-dev-archive@openjpa.apache.org Received: (qmail 55840 invoked by uid 500); 2 Feb 2012 16:29:16 -0000 Mailing-List: contact dev-help@openjpa.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@openjpa.apache.org Delivered-To: mailing list dev@openjpa.apache.org Received: (qmail 55821 invoked by uid 99); 2 Feb 2012 16:29:16 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Feb 2012 16:29:16 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Feb 2012 16:29:13 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 285D5188581 for ; Thu, 2 Feb 2012 16:28:52 +0000 (UTC) Date: Thu, 2 Feb 2012 16:28:52 +0000 (UTC) From: "Albert Lee (Closed) (JIRA)" To: dev@openjpa.apache.org Message-ID: <1340074366.3282.1328200132166.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Closed] (OPENJPA-1376) @SequenceGenerator allocationSize incorrect implementation MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/OPENJPA-1376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert Lee closed OPENJPA-1376. ------------------------------- Close issue in preparation for 2.2.0 release. > @SequenceGenerator allocationSize incorrect implementation > ---------------------------------------------------------- > > Key: OPENJPA-1376 > URL: https://issues.apache.org/jira/browse/OPENJPA-1376 > Project: OpenJPA > Issue Type: Bug > Components: competitive, jdbc, performance > Affects Versions: 1.2.1, 2.0.0-M3, 2.1.0 > Environment: All > Reporter: Yves > Assignee: Milosz Tylenda > Fix For: 1.2.3, 1.3.0, 2.0.2, 2.1.2, 2.2.0 > > Attachments: cache-native-seq-values.diff > > Original Estimate: 8h > Remaining Estimate: 8h > > OpenJpa use allocationSize parameter on NativeJDBCSeq to set the sequence cache value. > But one "JSR 220: Enterprise JavaBeansTM,Version 3.0" , the allocationSize is : "The amount to increment by when allocating sequence > numbers from the sequence." > Allocating is used to limit the number of access to the sequence or table not to set the sequence cache value ! > If allocationSize=50, the sequence need to be call one time on each 50 call on AbstractJDBCSeq.next(). > 1 call on AbstractJDBCSeq.next(). call the sequence or table > 2 call : return previous value + 1; > 3 call : return previous value + 2; > ... > 51 call :re-call the sequence > 52 return previous value + 1 > ... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira