Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id CC93C10E21 for ; Wed, 13 Nov 2013 15:33:57 +0000 (UTC) Received: (qmail 7532 invoked by uid 500); 13 Nov 2013 15:33:57 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 7509 invoked by uid 500); 13 Nov 2013 15:33:57 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 7258 invoked by uid 99); 13 Nov 2013 15:33:56 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 13 Nov 2013 15:33:56 +0000 Date: Wed, 13 Nov 2013 15:33:56 +0000 (UTC) From: "Sylvain Lebresne (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (CASSANDRA-6343) C* throws AssertionError when using paging and reverse ordering MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/CASSANDRA-6343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sylvain Lebresne updated CASSANDRA-6343: ---------------------------------------- Attachment: 6343.txt Seems reversed completely slipped through the cracks somehow. Attaching patch to fix (includes a unit test). > C* throws AssertionError when using paging and reverse ordering > --------------------------------------------------------------- > > Key: CASSANDRA-6343 > URL: https://issues.apache.org/jira/browse/CASSANDRA-6343 > Project: Cassandra > Issue Type: Bug > Components: Core > Environment: Last time issue has been reproduced with C* version is 2.0.0, DataStax CQL driver version 2.0.0-beta1 on a single node. > Reporter: Alexey Chumakov > Assignee: Sylvain Lebresne > Fix For: 2.0.3 > > Attachments: 6343.txt > > > We have a table with CLUSTERING ORDER BY (date DESC). We try to do a query C* with paging and ORDER BY date ASC. > This leads to the following exception in C* when pager goes to the last page: > {quote} > ERROR [Native-Transport-Requests:1287744] 2013-10-30 01:53:14,720 ErrorMessage.java (line 210) Unexpected exception during request > java.lang.AssertionError: Added column does not sort as the first column > at org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:115) > at org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:116) > at org.apache.cassandra.service.pager.AbstractQueryPager.discardLast(AbstractQueryPager.java:238) > at org.apache.cassandra.service.pager.AbstractQueryPager.discardLast(AbstractQueryPager.java:182) > at org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:100) > at org.apache.cassandra.service.pager.SliceQueryPager.fetchPage(SliceQueryPager.java:33) > at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:179) > at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:56) > at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:101) > at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:235) > at org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:139) > at org.apache.cassandra.transport.Message$Dispatcher.messageReceived(Message.java:296) > at org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:45) > at org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:69) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:724) > {quote} -- This message was sent by Atlassian JIRA (v6.1#6144)