clickhouse-migrate-test-support-0.1.0.0: test/fixtures/kansoku/steps/0003_rollups/statement-03.sql
CREATE MATERIALIZED VIEW IF NOT EXISTS analytics.mv_daily_event_counts
TO analytics.daily_event_counts
AS
SELECT
toDate(occurred_at) AS day,
event_name AS event_name,
uniqExactState(toString(event_id)) AS events
FROM analytics.events_raw
GROUP BY day, event_name;