1 files changed, 15 insertions, 0 deletions
diff --git a/db/post_migrate/20211206073851_create_calendar_events_index_synchronously.rb b/db/post_migrate/20211206073851_create_calendar_events_index_synchronously.rb
new file mode 100644
index 00000000000..020dceac004
--- /dev/null
+++ b/db/post_migrate/20211206073851_create_calendar_events_index_synchronously.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class CreateCalendarEventsIndexSynchronously < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_events_author_id_project_id_action_target_type_created_at'
+
+  def up
+    add_concurrent_index :events, [:author_id, :project_id, :action, :target_type, :created_at], name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :events, INDEX_NAME
+  end
+end