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https://issues.apache.org/jira/browse/CASSANDRA-14913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700471#comment-16700471
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Benedict commented on CASSANDRA-14913:
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{quote}While at it, might also backport 4.0 prohibition on re-adding columns 
with a different type from the dropped one if nobody objects.
{quote}
+1

> Forbid re-adding static columns as regular and vice versa
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-14913
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14913
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Distributed Metadata
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>            Priority: Major
>             Fix For: 4.0
>
>
> Re-adding a dropped column with an incompatible kind (dropped regular 
> re-added as static, or dropped static re-added as regular) can ultimately 
> result in corruption (see CASSANDRA-14843 for more context). In 3.x, 
> unfortunately, we don’t persist enough context when dropping a column. In 
> trunk, however, we do, and it’s trivial to forbid this operation, as we 
> should.



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