column_metadata used with LongType comparator causes migration to fail 
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                 Key: CASSANDRA-2984
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2984
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.8.2
            Reporter: Aaron Morton
            Priority: Minor


see http://www.mail-archive.com/[email protected]/msg15863.html

Running the create column family in the email works, but if the migration needs 
to be inflated (on restart or schema propagation) it fails with:

{code:java}
ERROR 21:41:26,876 Exception encountered during startup.
org.apache.cassandra.db.marshal.MarshalException: A long is exactly 8 bytes: 5
        at org.apache.cassandra.db.marshal.LongType.getString(LongType.java:72)
        at 
org.apache.cassandra.config.CFMetaData.getDefaultIndexName(CFMetaData.java:973)
        at org.apache.cassandra.config.CFMetaData.inflate(CFMetaData.java:381)
        at org.apache.cassandra.config.KSMetaData.inflate(KSMetaData.java:172)
        at org.apache.cassandra.db.DefsTable.loadFromStorage(DefsTable.java:99)
        at 
org.apache.cassandra.config.DatabaseDescriptor.loadSchemas(DatabaseDescriptor.java:486)
        at 
org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:166)
        at 
org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:342)
        at 
org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:91)
{code}

CFMetaData.inflate() does not check if a index was defined like 
addDefaultIndexNames() does. 

I this case the underlying problem is that the column meta data includes col 
names that are invalid.  

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