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From "Russell Bradberry (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3724) CompositeType doesn't check number of components when validating
Date Tue, 10 Jan 2012 22:42:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183657#comment-13183657
] 

Russell Bradberry commented on CASSANDRA-3724:
----------------------------------------------

as long as there isn't any performance implications, I would tend to think that this should
be expected behavior.  There could possibly be a scenario in which a user wants to differentiate
between a column with only one component and a column with a zero length string as the second
component
                
> CompositeType doesn't check number of components when validating
> ----------------------------------------------------------------
>
>                 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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