statement-13.sql

CREATE MATERIALIZED VIEW analytics.mv_dau TO analytics.dau AS
SELECT account_id, toDate(occurred_at) AS day, uniqCombinedState(if(user_id!='',concat('user:',user_id),concat('anonymous:',anonymous_id))) AS users
FROM (SELECT *, properties_json, identity_context_key, context_json FROM analytics.events_raw WHERE occurred_at >= (SELECT argMax(cutoff,revision) FROM analytics.retention_policy)) WHERE user_id != '' OR anonymous_id != ''
GROUP BY account_id, day;