1 files changed, 22 insertions, 0 deletions
diff --git a/db/migrate/20210106155209_add_merge_request_diff_commit_trailers.rb b/db/migrate/20210106155209_add_merge_request_diff_commit_trailers.rb
new file mode 100644
index 00000000000..906efa58bcd
--- /dev/null
+++ b/db/migrate/20210106155209_add_merge_request_diff_commit_trailers.rb
@@ -0,0 +1,22 @@
+# 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 AddMergeRequestDiffCommitTrailers < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :merge_request_diff_commits, :trailers, :jsonb, default: {}, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :merge_request_diff_commits, :trailers
+    end
+  end
+end