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From "Russ Hatch (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8030) cqlsh error when selecting data from a table with nested UDTs
Date Tue, 30 Sep 2014 23:48:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154034#comment-14154034
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Russ Hatch commented on CASSANDRA-8030:
---------------------------------------

I think the issue is likely a problem (or known limitation) with the python driver which cqlsh
makes use of. I'm actually not able to make use of the attached DDL in cqlsh or from the python
driver.

> cqlsh error when selecting data from a table with nested UDTs
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-8030
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8030
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Ubuntu 14.04. Cassandra 2.1.0. Single node.
>            Reporter: Cory Snyder
>              Labels: cqlsh
>         Attachments: example_statements.txt, schema.txt
>
>
> The schema that was being used when this error was produced is attached. Whenever I try
to select data from the LOAD_BALANCER_SERVICE table after having written data with non-empty
sets for either the pools or virtual_servers fields, cqlsh fails with the following exception:

> {code}
> Traceback (most recent call last):
>   File "/usr/bin/cqlsh", line 909, in perform_simple_statement
>     rows = self.session.execute(statement, trace=self.tracing_enabled)
>   File "/usr/share/cassandra/lib/cassandra-driver-internal-only-2.1.0.post.zip/cassandra-driver-2.1.0.post/cassandra/cluster.py",
line 1281, in execute
>     result = future.result(timeout)
>   File "/usr/share/cassandra/lib/cassandra-driver-internal-only-2.1.0.post.zip/cassandra-driver-2.1.0.post/cassandra/cluster.py",
line 2772, in result
>     raise self._final_exception
> TypeError: unhashable type: 'set'
> {code}
> I am, however, able to select the data from the table with the Java Datastax driver.
I am also able to select data from the table if both the pools and virtual_servers fields
are empty sets.



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