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https://issues.apache.org/jira/browse/CASSANDRA-4752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13469381#comment-13469381
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T Jake Luciani commented on CASSANDRA-4752:
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Verified Jonathans fix +1
> Drop keyspace causes schema disagreement
> -----------------------------------------
>
> Key: CASSANDRA-4752
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4752
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.6
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Attachments: 0001-CASSANDRA-4752.txt, 4752-v2.txt
>
>
> The fix for CASSANDRA-4698 introduced a bug whereby when drop keyspace is
> issued a schema disagreement immediately occurs. This seems to be because the
> {code}ColumnFamily cf =
> ColumnFamily.create(modification.getValue().metadata());{code}
> in {{RowMutation.deserializeFixingTimestamps}} does not preserve deletion
> info for the cf in the modification. In most cases, this doesn't cause a
> problem, but for a drop keyspace modification, there are no columns in the
> cf, so the deletion info is effectively lost leading to an incorrect digest
> being created and ultimately a schema disagreement.
> Replacing the {{create}} with {{cloneMeShallow}} does preserve the deletion
> info and avoids the schema disagreement issue.
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