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  1. Cassandra
  2. CASSANDRA-19615

Merge pre-existing schema with the system defined one during upgrade

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      When upgrading we should merge the pre-existing schema with the system-defined schema. For example, if a table was defined in 5.0 in system_distributed, but then removed from SystemDistributedKeyspace.java in 5.1 we should still be able to read it (until manually dropped).

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            marcuse Marcus Eriksson Assign to me
            marcuse Marcus Eriksson
            Marcus Eriksson
            Sam Tunnicliffe
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