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Posted to commits@cassandra.apache.org by "Shane (JIRA)" <ji...@apache.org> on 2012/09/24 20:21:08 UTC
[jira] [Updated] (CASSANDRA-4711) Counter column has duplicate
column names
[ https://issues.apache.org/jira/browse/CASSANDRA-4711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shane updated CASSANDRA-4711:
-----------------------------
Attachment: DuplicateColumnName.java
Rough example of how counter column is being used.
> Counter column has duplicate column names
> -----------------------------------------
>
> Key: CASSANDRA-4711
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4711
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.5
> Environment: CentOS 5.8 x86_64
> Cassandra 1.1.5
> Hector 1.1-2
> Reporter: Shane
> Attachments: DuplicateColumnName.java
>
>
> I have a column family whose comparator is DynamicCompositeType and validation is CounterColumnType. During automated testing, there have been occasions where a counter column is created twice, throwing off the query results for the column.
> Doing a 'get' via the cli, I see the following output for the row:
> => (counter=s@language:b@00000001:s@pt_BR, value=198)
> => (counter=s@language:s@possible, value=200)
> => (counter=s@language:b@00000001:s@pt_BR, value=0)
> If I print out the byte value of the column names along with their MD5 sum I see:
> Name: [language, java.nio.HeapByteBuffer[pos=0 lim=4 cap=4], pt_BR]
> Byte array: ffffff8073086c616e67756167650ffffff80620400010ffffff80730570745f42520
> MD5: 2db353a9a72a0d7cb6cb277ac5125653
> Name: [language, possible]
> Byte array: ffffff8073086c616e67756167650ffffff807308706f737369626c650
> MD5: 82cad9b6a65c794e97cf1d4613e2e367
> Name: [language, java.nio.HeapByteBuffer[pos=0 lim=4 cap=4], pt_BR]
> Byte array: ffffff8073086c616e67756167650ffffff80620400010ffffff80730570745f42520
> MD5: 2db353a9a72a0d7cb6cb277ac5125653
> Unfortunately, I have been unable to duplicate this manually or via a generic test script and our QA department can only duplicate ~25% of the time.
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