add tag migrations and update send / saveEvent

db/clickhouse/migrations/04_add_tag.sql

@@ -0,0 +1,78 @@
+-- add tag column
+ALTER TABLE umami.website_event ADD COLUMN "tag" String AFTER "event_name";
+ALTER TABLE umami.website_event_stats_hourly ADD COLUMN "tag" String AFTER "max_time";
+
+-- update materialized view
+DROP TABLE umami.website_event_stats_hourly_mv;
+
+CREATE MATERIALIZED VIEW umami.website_event_stats_hourly_mv
+TO umami.website_event_stats_hourly
+AS
+SELECT
+    website_id,
+    session_id,
+    visit_id,
+    hostname,
+    browser,
+    os,
+    device,
+    screen,
+    language,
+    country,
+    subdivision1,
+    city,
+    entry_url,
+    exit_url,
+    url_paths as url_path,
+    url_query,
+    referrer_domain,
+    page_title,
+    event_type,
+    event_name,
+    views,
+    min_time,
+    max_time,
+    tag,
+    timestamp as created_at
+FROM (SELECT
+    website_id,
+    session_id,
+    visit_id,
+    hostname,
+    browser,
+    os,
+    device,
+    screen,
+    language,
+    country,
+    subdivision1,
+    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(referrer_domain)) referrer_domain,
+    arrayFilter(x -> x != '', groupArray(page_title)) page_title,
+    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,
+    tag,
+    toStartOfHour(created_at) timestamp
+FROM umami.website_event
+GROUP BY website_id,
+    session_id,
+    visit_id,
+    hostname,
+    browser,
+    os,
+    device,
+    screen,
+    language,
+    country,
+    subdivision1,
+    city,
+    event_type,
+    tag,
+    timestamp);