show create table hits_view
CREATE MATERIALIZED VIEW IF NOT EXISTS hits_view ON CLUSTER '{cluster}'
ENGINE = ReplicatedSummingMergeTree('/clickhouse/tables/{shard}/hits_view', '{replica}')
PARTITION BY toYYYYMMDD(event_date)
ORDER BY (event_date, webmaster_id, advertiser_id, campaign_id, stream_id)
AS
SELECT event_date,
webmaster_id,
advertiser_id,
campaign_id,
stream_id,
sum(installs) as installs,
sum(impressions) as impressions,
sum(clicks) as clicks,
sum(debit) as debit,
sum(credit) as credit
FROM hit
GROUP BY event_date, webmaster_id, advertiser_id, campaign_id, stream_id