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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