1 files changed, 18 insertions, 0 deletions
diff --git a/db/post_migrate/20211206074547_remove_old_calendar_events_index.rb b/db/post_migrate/20211206074547_remove_old_calendar_events_index.rb
new file mode 100644
index 00000000000..51460a9dc95
--- /dev/null
+++ b/db/post_migrate/20211206074547_remove_old_calendar_events_index.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveOldCalendarEventsIndex < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  OLD_INDEX_NAME = 'index_events_on_author_id_and_project_id'
+
+  def up
+    remove_concurrent_index_by_name :events, OLD_INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index :events, [:author_id, :project_id], name: OLD_INDEX_NAME
+  end
+end