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https://issues.apache.org/jira/browse/CASSANDRA-3281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13241431#comment-13241431
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Jonathan Ellis commented on CASSANDRA-3281:
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I really think we should have client libraries break blobs up into native C* 
fields, rather than creating a pseudo-supercolumn construct (with even more 
disadvantages).  Having admitted our mistake with supercolumns (see 
CASSANDRA-3237) I'm not thrilled with the idea of adding something similar back.
                
> Add an AbstractType anytype which stores meta data on a per column basis
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-3281
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3281
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Edward Capriolo
>            Priority: Minor
>
> A pet project of mine is an AbstractType for Cassandra that stores metadata 
> of the type in the column. https://github.com/edwardcapriolo/Cassandra-AnyType
> I described my use case any my design decisions here. 
> https://github.com/edwardcapriolo/Cassandra-AnyType/blob/master/README . The 
> biggest cases were needing to support null and '' as keys, column names, and 
> column values, however I also think the technique used to serialize Java 
> Objects as JSON but compare as a Java object is novel. 
> Side node: (The AbstractType interface has changed multiple times between 
> 0.6.X, 0.7.X, and 1.0.0-beta. I hope it stabilizes! ) 
> If people would like AnyType (or parts of it ) incorporated into Cassandra 
> that would be great. I am willing to tweak change it based on other peoples 
> ideas.

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