Olivier Michallat created CASSANDRA-15604:
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Summary: Remove obsolete table/MV options from schema tables
Key: CASSANDRA-15604
URL: https://issues.apache.org/jira/browse/CASSANDRA-15604
Project: Cassandra
Issue Type: Improvement
Reporter: Olivier Michallat
CASSANDRA-13910 removed the {{read_repair_chance}} and
{{dclocal_read_repair_chance}} options for tables and materialized views.
CASSANDRA-12868 made {{default_time_to_live}} illegal for materialized views.
However the corresponding columns still exist in {{system_schema.tables}} and
{{system_schema.views}}. Maybe it would make sense to remove them in Cassandra
4. Historically, obsolete options have been removed in similar cases, for
example {{compaction_strategy_class}}, {{compaction_strategy_options}} and
{{compression_parameters}} in Cassandra 2.2 => 3 (arguably there was also a
major refactoring of schema tables during that transition).
This is not a huge deal, but it would make things a bit easier for the Java
driver (our metadata exposes a "client-side describe" feature, and currently we
assume that any column in the schema table must be added to the CREATE TABLE
statement).
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