-- create new hourly table
CREATE TABLE umami.website_event_stats_hourly_new
(
    website_id UUID,
    session_id UUID,
    visit_id UUID,
    hostname SimpleAggregateFunction(groupArrayArray, Array(String)),
    browser LowCardinality(String),
    os LowCardinality(String),
    device LowCardinality(String),
    screen LowCardinality(String),
    language LowCardinality(String),
    country LowCardinality(String),
    region LowCardinality(String),
    city String,
    entry_url AggregateFunction(argMin, String, DateTime('UTC')),
    exit_url AggregateFunction(argMax, String, DateTime('UTC')),
    url_path SimpleAggregateFunction(groupArrayArray, Array(String)),
    url_query SimpleAggregateFunction(groupArrayArray, Array(String)),
    utm_source SimpleAggregateFunction(groupArrayArray, Array(String)),
    utm_medium SimpleAggregateFunction(groupArrayArray, Array(String)),
    utm_campaign SimpleAggregateFunction(groupArrayArray, Array(String)),
    utm_content SimpleAggregateFunction(groupArrayArray, Array(String)),
    utm_term SimpleAggregateFunction(groupArrayArray, Array(String)),
    referrer_domain SimpleAggregateFunction(groupArrayArray, Array(String)),
    page_title SimpleAggregateFunction(groupArrayArray, Array(String)),
    gclid SimpleAggregateFunction(groupArrayArray, Array(String)),
    fbclid SimpleAggregateFunction(groupArrayArray, Array(String)),
    msclkid SimpleAggregateFunction(groupArrayArray, Array(String)),
    ttclid SimpleAggregateFunction(groupArrayArray, Array(String)),
    li_fat_id SimpleAggregateFunction(groupArrayArray, Array(String)),
    twclid SimpleAggregateFunction(groupArrayArray, Array(String)),
    event_type UInt32,
    event_name SimpleAggregateFunction(groupArrayArray, Array(String)),
    views SimpleAggregateFunction(sum, UInt64),
    min_time SimpleAggregateFunction(min, DateTime('UTC')),
    max_time SimpleAggregateFunction(max, DateTime('UTC')),
    tag SimpleAggregateFunction(groupArrayArray, Array(String)),
    distinct_id String,
    created_at Datetime('UTC')
)
ENGINE = AggregatingMergeTree
    PARTITION BY toYYYYMM(created_at)
    ORDER BY (
        website_id,
        event_type,
        toStartOfHour(created_at),
        cityHash64(visit_id),
        visit_id
    )
    SAMPLE BY cityHash64(visit_id);

-- create view
CREATE MATERIALIZED VIEW umami.website_event_stats_hourly_mv_new
TO umami.website_event_stats_hourly_new
AS
SELECT
    website_id,
    session_id,
    visit_id,
    hostnames as hostname,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    entry_url,
    exit_url,
    url_paths as url_path,
    url_query,
    utm_source,
    utm_medium,
    utm_campaign,
    utm_content,
    utm_term,
    referrer_domain,
    page_title,
    gclid,
    fbclid,
    msclkid,
    ttclid,
    li_fat_id,
    twclid,
    event_type,
    event_name,
    views,
    min_time,
    max_time,
    tag,
    distinct_id,
    timestamp as created_at
FROM (SELECT
    website_id,
    session_id,
    visit_id,
    arrayFilter(x -> x != '', groupArray(hostname)) hostnames,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    argMinState(url_path, created_at) entry_url,
    argMaxState(url_path, created_at) exit_url,
    arrayFilter(x -> x != '', groupArray(url_path)) as url_paths,
    arrayFilter(x -> x != '', groupArray(url_query)) url_query,
    arrayFilter(x -> x != '', groupArray(utm_source)) utm_source,
    arrayFilter(x -> x != '', groupArray(utm_medium)) utm_medium,
    arrayFilter(x -> x != '', groupArray(utm_campaign)) utm_campaign,
    arrayFilter(x -> x != '', groupArray(utm_content)) utm_content,
    arrayFilter(x -> x != '', groupArray(utm_term)) utm_term,
    arrayFilter(x -> x != '' and x != hostname, groupArray(referrer_domain)) referrer_domain,
    arrayFilter(x -> x != '', groupArray(page_title)) page_title,
    arrayFilter(x -> x != '', groupArray(gclid)) gclid,
    arrayFilter(x -> x != '', groupArray(fbclid)) fbclid,
    arrayFilter(x -> x != '', groupArray(msclkid)) msclkid,
    arrayFilter(x -> x != '', groupArray(ttclid)) ttclid,
    arrayFilter(x -> x != '', groupArray(li_fat_id)) li_fat_id,
    arrayFilter(x -> x != '', groupArray(twclid)) twclid,
    event_type,
    if(event_type = 2, groupArray(event_name), []) event_name,
    sumIf(1, event_type = 1) views,
    min(created_at) min_time,
    max(created_at) max_time,
    arrayFilter(x -> x != '', groupArray(tag)) tag,
    distinct_id,
    toStartOfHour(created_at) timestamp
FROM umami.website_event
GROUP BY website_id,
    session_id,
    visit_id,
    hostname,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    event_type,
    distinct_id,
    timestamp);

-- rename tables
RENAME TABLE umami.website_event_stats_hourly TO umami.website_event_stats_hourly_old;
RENAME TABLE umami.website_event_stats_hourly_new TO umami.website_event_stats_hourly;

-- drop views
DROP TABLE umami.website_event_stats_hourly_mv;
DROP TABLE umami.website_event_stats_hourly_mv_new;

-- recreate view
CREATE MATERIALIZED VIEW umami.website_event_stats_hourly_mv
TO umami.website_event_stats_hourly
AS
SELECT
    website_id,
    session_id,
    visit_id,
    hostnames as hostname,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    entry_url,
    exit_url,
    url_paths as url_path,
    url_query,
    utm_source,
    utm_medium,
    utm_campaign,
    utm_content,
    utm_term,
    referrer_domain,
    page_title,
    gclid,
    fbclid,
    msclkid,
    ttclid,
    li_fat_id,
    twclid,
    event_type,
    event_name,
    views,
    min_time,
    max_time,
    tag,
    distinct_id,
    timestamp as created_at
FROM (SELECT
    website_id,
    session_id,
    visit_id,
    arrayFilter(x -> x != '', groupArray(hostname)) hostnames,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    argMinState(url_path, created_at) entry_url,
    argMaxState(url_path, created_at) exit_url,
    arrayFilter(x -> x != '', groupArray(url_path)) as url_paths,
    arrayFilter(x -> x != '', groupArray(url_query)) url_query,
    arrayFilter(x -> x != '', groupArray(utm_source)) utm_source,
    arrayFilter(x -> x != '', groupArray(utm_medium)) utm_medium,
    arrayFilter(x -> x != '', groupArray(utm_campaign)) utm_campaign,
    arrayFilter(x -> x != '', groupArray(utm_content)) utm_content,
    arrayFilter(x -> x != '', groupArray(utm_term)) utm_term,
    arrayFilter(x -> x != '' and x != hostname, groupArray(referrer_domain)) referrer_domain,
    arrayFilter(x -> x != '', groupArray(page_title)) page_title,
    arrayFilter(x -> x != '', groupArray(gclid)) gclid,
    arrayFilter(x -> x != '', groupArray(fbclid)) fbclid,
    arrayFilter(x -> x != '', groupArray(msclkid)) msclkid,
    arrayFilter(x -> x != '', groupArray(ttclid)) ttclid,
    arrayFilter(x -> x != '', groupArray(li_fat_id)) li_fat_id,
    arrayFilter(x -> x != '', groupArray(twclid)) twclid,
    event_type,
    if(event_type = 2, groupArray(event_name), []) event_name,
    sumIf(1, event_type = 1) views,
    min(created_at) min_time,
    max(created_at) max_time,
    arrayFilter(x -> x != '', groupArray(tag)) tag,
    distinct_id,
    toStartOfHour(created_at) timestamp
FROM umami.website_event
GROUP BY website_id,
    session_id,
    visit_id,
    hostname,
    browser,
    os,
    device,
    screen,
    language,
    country,
    region,
    city,
    event_type,
    distinct_id,
    timestamp);