chore: optimise post analytics query (#3256)

Signed-off-by: Viktor Poluksht <viktor@daily.dev>

Author: vpol

clickhouse/migrations/20251104112214_post_analytics_events_mv.down.sql

@@ -0,0 +1,19 @@
+ALTER TABLE api.post_analytics_events_mv
+  MODIFY QUERY
+SELECT target_id                                                                    AS post_id,
+       sumIf(toUInt64(1), event_name = 'share post')                                AS shares_external,
+       sumIf(toUInt64(1), event_name = 'share to squad')                            AS shares_internal,
+       uniqStateIf(user_id, event_name = 'bookmark post')                           AS bookmarks,
+       sumIf(toUInt64(1), (event_name = 'impression') AND (target_type = 'post'))   AS impressions,
+       uniqStateIf(user_id, (event_name = 'impression') AND (target_type = 'post')) AS reach,
+       uniqStateIf(user_id, (event_name = 'impression') AND (target_type = 'post')) AS reach_all,
+       sumIf(toUInt64(1), (event_name = 'click') AND (target_type = 'post'))        AS clicks,
+       sumIf(toUInt64(1), (event_name = 'go to link') AND (target_type = 'post'))   AS go_to_link,
+       max(server_timestamp)                                                        AS created_at
+FROM events.raw_events
+WHERE (event_name IN ('share post', 'bookmark post', 'impression', 'share to squad', 'click', 'go to link'))
+  AND (target_id IS NOT NULL)
+  AND (target_type = 'post')
+  AND (server_timestamp > '2025-10-08 13:00:00')
+GROUP BY target_id
+  SETTINGS materialized_views_ignore_errors = 1;

clickhouse/migrations/20251104112214_post_analytics_events_mv.up.sql

@@ -57,7 +57,7 @@ export const postAnalyticsClickhouseCron: Cron = {
             sum(clicks_ads) AS "clicksAds",
             sum(go_to_link) AS "goToLink"
         FROM api.post_analytics
-        FINAL
+        WHERE "created_at" > {lastRunAt: DateTime}
         GROUP BY id
         HAVING "updatedAt" > {lastRunAt: DateTime}
         ORDER BY "updatedAt" DESC;