Sylvain Lebresne created CASSANDRA-4493:
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Summary: Fix update of CF comparator (including adding new
collections)
Key: CASSANDRA-4493
URL: https://issues.apache.org/jira/browse/CASSANDRA-4493
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Sylvain Lebresne
Assignee: Sylvain Lebresne
Fix For: 1.2
Updating the comparator of a column family (which is authorized if the new
comparator is "compatible" with the old one, and that includes adding a new
component to a CompositeType, or adding a new collection to a CQL3 table)
doesn't completely work. The problem is that even if we change the comparator
in CFMetada, the old comparator will still be aliased by the current memtable.
This means updates (that expect the new comparator) will fail until a new
memtable is created.
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