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Sylvain Lebresne updated CASSANDRA-2653: ---------------------------------------- Attachment: 2653_v2.patch I actually agree with taking the impact. Especially given that there is actually very little cases where it will make an actual difference anyway. Attaching patch (2653_v2, based on 0.7) that implement the idea and add back the sanity check. > index scan errors out when zero columns are requested > ----------------------------------------------------- > > Key: CASSANDRA-2653 > URL: https://issues.apache.org/jira/browse/CASSANDRA-2653 > Project: Cassandra > Issue Type: Bug > Components: Core > Affects Versions: 0.7.6, 0.8.0 beta 2 > Reporter: Jonathan Ellis > Assignee: Sylvain Lebresne > Priority: Minor > Fix For: 0.7.7, 0.8.1 > > Attachments: > 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, > 0001-Handle-null-returns-in-data-index-query-v0.7.patch, > 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 2653_v2.patch, > v1-0001-CASSANDRA-2653-reproduce-regression.txt > > > As reported by Tyler Hobbs as an addendum to CASSANDRA-2401, > {noformat} > ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main] > java.lang.AssertionError: No data found for > SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], > finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, > count=0] in DecoratedKey(81509516161424251288255223397843705139, > 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', > columnName='null') (original filter > SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], > finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, > count=0]) from expression 'cf.626972746864617465 EQ 1' > at > org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517) > at > org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42) > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > {noformat} -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira