1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20200304024025_add_sprint_id_index_to_issues.rb b/db/migrate/20200304024025_add_sprint_id_index_to_issues.rb
new file mode 100644
index 00000000000..aaece3445db
--- /dev/null
+++ b/db/migrate/20200304024025_add_sprint_id_index_to_issues.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddSprintIdIndexToIssues < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :issues, :sprint_id
+    add_concurrent_foreign_key :issues, :sprints, column: :sprint_id
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :issues, column: :sprint_id
+    end
+    remove_concurrent_index :issues, :sprint_id
+  end
+end