Merge branch '470027-drop-code-suggestion-daily-usage-table' into 'master'

Drop ClickHouse daily code suggestions usage table

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/161280



Merged-by: Adam Hegyi <ahegyi@gitlab.com>
Approved-by: charlie ablett <cablett@gitlab.com>
Approved-by: Felipe Cardozo <fcardozo@gitlab.com>

db/click_house/migrate/main/20240731083515_drop_code_suggestion_daily_usages_table.rb

+# frozen_string_literal: true
+
+class DropCodeSuggestionDailyUsagesTable < ClickHouse::Migration
+  def up
+    execute <<~SQL
+      DROP VIEW IF EXISTS code_suggestion_daily_usages_mv
+    SQL
+
+    execute <<~SQL
+      DROP TABLE IF EXISTS code_suggestion_daily_usages
+    SQL
+  end
+
+  def down
+    execute <<~SQL
+      CREATE TABLE IF NOT EXISTS code_suggestion_daily_usages
+      (
+        user_id UInt64 DEFAULT 0,
+        timestamp Date32 DEFAULT toDate(now64()),
+      ) ENGINE = ReplacingMergeTree
+      PARTITION BY toYear(timestamp)
+      ORDER BY (user_id, timestamp)
+      SETTINGS index_granularity = 64
+    SQL
+
+    execute <<~SQL
+      CREATE MATERIALIZED VIEW code_suggestion_daily_usages_mv
+      TO code_suggestion_daily_usages
+      AS
+      SELECT
+        user_id,
+        timestamp
+      FROM code_suggestion_usages
+      WHERE event IN (1, 2, 5)
+      GROUP BY user_id, timestamp
+    SQL
+  end
+end