1 files changed, 22 insertions, 0 deletions
diff --git a/db/migrate/20200807150937_add_file_count_to_merge_request_diffs.rb b/db/migrate/20200807150937_add_file_count_to_merge_request_diffs.rb
new file mode 100644
index 00000000000..3afc246d698
--- /dev/null
+++ b/db/migrate/20200807150937_add_file_count_to_merge_request_diffs.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class AddFileCountToMergeRequestDiffs < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      add_column :merge_request_diffs, :files_count, :smallint
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :merge_request_diffs, :files_count, :smallint
+    end
+  end
+end