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Posted to commits@cassandra.apache.org by "Stefania (JIRA)" <ji...@apache.org> on 2016/09/26 01:39:21 UTC

[jira] [Created] (CASSANDRA-12705) Add column definition kind to system schema dropped columns

Stefania created CASSANDRA-12705:
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             Summary: Add column definition kind to system schema dropped columns
                 Key: CASSANDRA-12705
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12705
             Project: Cassandra
          Issue Type: Bug
          Components: Distributed Metadata
            Reporter: Stefania
             Fix For: 4.0


Both regular and static columns can currently be dropped by users, but this information is currently not stored in {{SchemaKeyspace.DroppedColumns}}. As a consequence, {{CFMetadata.getDroppedColumnDefinition}} returns a regular column and this has caused problems such as CASSANDRA-12582.

We should add the column kind to {{SchemaKeyspace.DroppedColumns}} so that {{CFMetadata.getDroppedColumnDefinition}} can create the correct column definition. However, altering schema tables would cause inter-node communication failures during a rolling upgrade, see CASSANDRA-12236. Therefore we should wait for a full schema migration when upgrading to the next major version.



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