1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20210323182846_add_project_status_date_index_to_merge_requests.rb b/db/migrate/20210323182846_add_project_status_date_index_to_merge_requests.rb
new file mode 100644
index 00000000000..1ec6bc0bf2e
--- /dev/null
+++ b/db/migrate/20210323182846_add_project_status_date_index_to_merge_requests.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddProjectStatusDateIndexToMergeRequests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = "idx_mrs_on_target_id_and_created_at_and_state_id"
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :merge_requests, %i[target_project_id state_id created_at id], name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :merge_requests, INDEX_NAME
+  end
+end