CompositeType doesn't check number of components when validating
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Key: CASSANDRA-3724
URL: https://issues.apache.org/jira/browse/CASSANDRA-3724
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Tyler Hobbs
Priority: Minor
In {{AbstractCompositeType.validate()}}, there isn't any kind of check to
verify that the data has the same number of components as the comparator (or
validator). This means that if you say the comparator is
{{CompositeType(UTF8Type, UTF8Type)}}, you can use column names that only have
the first component (ie, the last thing in the bytestring is the eof for the
first component).
This behavior isn't explicitly stated anywhere. Personally, I wouldn't expect
this to validate, but I could see an argument for why it should. Either way,
we need to either check the number of components or explicitly state that this
is expected behavior.
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