[jira] [Created] (CASSANDRA-11947) Ability to create a Materialized View without primary key column that has '=' relation

["Nimi Wariboko Jr. (JIRA)" <ji...@apache.org>]

Nimi Wariboko Jr. created CASSANDRA-11947:
---------------------------------------------

             Summary: Ability to create a Materialized View without primary key column that has '=' relation
                 Key: CASSANDRA-11947
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11947
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Nimi Wariboko Jr.


I have a use case where I'd like to create a materialized view where one of the columns is filtered on a '=' relation and the primary key for that materialized view doesn't include that column.

Example:
{code}
CREATE TABLE analytics (
  resourceId text,
  country text,
  date timestamp,
  clicks int,
  PRIMARY KEY(resourceId, date, country)
);

CREATE MATERIALIZED VIEW analytics_ww AS
       SELECT * FROM analytics
       WHERE country = 'WW'
       PRIMARY KEY (resourceId, date);
{/code}

This way I can have a table filtered on a high cardinality column, and I don't also have to specify that column, even though I already know thats the only value in the view.



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