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From "Jignesh Dhruv (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1109) Cassandra does not expire data after setting timeToLive argument for each value
Date Wed, 19 May 2010 16:03:53 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jignesh Dhruv updated CASSANDRA-1109:
-------------------------------------

    Attachment: CASSANDRA-1109.patch

Patch Submitted.

> Cassandra does not expire data after setting timeToLive argument for each value
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-1109
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1109
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.6.1
>            Reporter: Jignesh Dhruv
>         Attachments: CASSANDRA-1109.patch
>
>
> Hello,
> I downloaded the latest cassandra code from svn trunk. I wanted to test the expire data
functionality. Using Thrift API, I set the timeToLive parameter for each value, however cassandra
ignored it and did not expire any data.
> I debugged the source code and found a bug in src/java/org/apache/cassandra/db/RowMutation.java.
> In RowMutation.addColumnOrSuperColumnToRowMutation() method, QueryPath was not setting
the timeToLive argument. I updated the code locally and tested it and then my data expired
after 'n' number of seconds.
> I wanted to have this fix in the trunk also.
> Index: src/java/org/apache/cassandra/db/RowMutation.java
> ===================================================================
> --- src/java/org/apache/cassandra/db/RowMutation.java   (revision 946222)
> +++ src/java/org/apache/cassandra/db/RowMutation.java   (working copy)
> @@ -295,12 +295,12 @@
>          {
>              for (org.apache.cassandra.thrift.Column column : cosc.super_column.columns)
>              {
> -                rm.add(new QueryPath(cfName, cosc.super_column.name, column.name), column.value,
column.timestamp);
> +                rm.add(new QueryPath(cfName, cosc.super_column.name, column.name), column.value,
column.timestamp, column.ttl);
>              }
>          }
>          else
>          {
> -            rm.add(new QueryPath(cfName, null, cosc.column.name), cosc.column.value,
cosc.column.timestamp);
> +            rm.add(new QueryPath(cfName, null, cosc.column.name), cosc.column.value,
cosc.column.timestamp, cosc.column.ttl);
>          }
>      }
> Thanks,
> Jignesh

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