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Posted to commits@cassandra.apache.org by "Berenguer Blasi (Jira)" <ji...@apache.org> on 2021/09/16 06:29:00 UTC

[jira] [Created] (CASSANDRA-16960) Improve MV TTL error message

Berenguer Blasi created CASSANDRA-16960:
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             Summary: Improve MV TTL error message
                 Key: CASSANDRA-16960
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16960
             Project: Cassandra
          Issue Type: Bug
          Components: Feature/Materialized Views
            Reporter: Berenguer Blasi
            Assignee: Berenguer Blasi


Old MVs could have been created with a {{default_time_to_live}} before the time of CASSANDRA-12868.

A few years forward customers altering that MV for other reasons might get a very confusing message which can benefit from some clarification.

{code}
ALTER MATERIALIZED VIEW XXXXX_view WITH gc_grace_seconds = 10800;

Cannot set or alter default_time_to_live for a materialized view. Data in a materialized view always expire at the same time than the corresponding data in the parent table.
{code}




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