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https://issues.apache.org/jira/browse/CASSANDRA-6612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14089324#comment-14089324
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Sam Tunnicliffe commented on CASSANDRA-6612:
--------------------------------------------

I agree that SIM is in dire need of an overhaul and because of that this is a 
slightly hackish solution. That aside, the patch looks good to me. Just one 
thing to note,  the bogus logic in SIM.hasIndexFor is already fixed in 2.1 by 
CASSANDRA-7525

> Query failing due to AssertionError
> -----------------------------------
>
>                 Key: CASSANDRA-6612
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6612
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Cassandra-2.0.4, CQL3, datastax driver 2.0.0-rc2
>            Reporter: A Verma
>            Assignee: Sylvain Lebresne
>             Fix For: 2.0.10
>
>         Attachments: 6612.txt
>
>
> I am trying out Cassandra for the first time and running it locally for 
> simple session management db. [Cassandra-2.0.4, CQL3, datastax driver 
> 2.0.0-rc2]
> The following count query works fine when there is no data in the table:
> {code}
> select count(*) from session_data where app_name=? and account=? and 
> last_access > ?
> {code}
> But after even a single row is inserted into the table, the query fails with 
> the following error:
> {code}
>     java.lang.AssertionError
>       at 
> org.apache.cassandra.db.filter.ExtendedFilter$WithClauses.getExtraFilter(ExtendedFilter.java:258)
>       at 
> org.apache.cassandra.db.ColumnFamilyStore.filter(ColumnFamilyStore.java:1719)
>       at 
> org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1674)
>       at 
> org.apache.cassandra.db.PagedRangeCommand.executeLocally(PagedRangeCommand.java:111)
>       at 
> org.apache.cassandra.service.StorageProxy$LocalRangeSliceRunnable.runMayThrow(StorageProxy.java:1418)
>       at 
> org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1931)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:744)
> {code}
> Here is the schema I am using:
> {code}
>     CREATE KEYSPACE session WITH replication= {'class': 'SimpleStrategy', 
> 'replication_factor': 1};
>     CREATE TABLE session_data (
>     username text,
>     session_id text,
>     app_name text,
>     account text,
>     last_access timestamp,
>     created_on timestamp,
>     PRIMARY KEY (username, session_id, app_name, account)
>     );
>     create index sessionIndex ON session_data (session_id);
>     create index sessionAppName ON session_data (app_name);
>     create index lastAccessIndex ON session_data (last_access);
> {code}



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