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https://issues.apache.org/jira/browse/CASSANDRA-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12908855#action_12908855
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Jon Hermes commented on CASSANDRA-1480:
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To pose a related question: assume the user sets the subcomparator_type (or the
comparator or the validator or the default_validator) to the empty string. All
perfectly legal, as the empty string is a valid string.
What should they expect to see? Right now it's a stack trace.
> CFMetaData.convertToThrift makes subcomparator_type empty string instead of
> null
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-1480
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1480
> Project: Cassandra
> Issue Type: Bug
> Components: API
> Affects Versions: 0.7 beta 1
> Reporter: Jeremy Hanna
> Assignee: Jon Hermes
> Fix For: 0.7 beta 2
>
>
> As a result of CASSANDRA-891 adding a CFMetaData.convertToThrift method, the
> values such as subcomparator_type are defaulted to empty string instead of
> null. That makes it so, for example, in ColumnFamilyRecordReader, in its
> RowIterator, the check for only null is insufficient. It also needs to check
> for a blank value.
> After a discussion about it in IRC, Jonathan said it was probably easier to
> just change the creation to give a null value instead of empty string.
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