[jira] [Commented] (CASSANDRA-5864) Scrub should discard the columns from CFMetaData.droppedColumns map (if they are old enough)

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-5864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13734094#comment-13734094 ] 

Jonathan Ellis commented on CASSANDRA-5864:
-------------------------------------------

This keeps coming up...  is scrub just a "recover damaged information" tool?  Or should it also perform other edits that may make sense?

Logically it makes more sense to me to put "other edits" into upgradesstables, which also has the benefit of making scrub more predictable when it's doing some fairly hairy recovery logic, but I'm not sure the code organization lends itself to that.
                
> Scrub should discard the columns from CFMetaData.droppedColumns map (if they are old enough)
> --------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-5864
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5864
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Aleksey Yeschenko
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: scrub
>
> CASSANDRA-3919 restored ALTER TABLE DROP support in CQL3 and it would be nice to make scrub dropped-columns-aware.

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