1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20170314082049_create_system_note_metadata.rb b/db/migrate/20170314082049_create_system_note_metadata.rb
new file mode 100644
index 00000000000..dd1e6cf8172
--- /dev/null
+++ b/db/migrate/20170314082049_create_system_note_metadata.rb
@@ -0,0 +1,23 @@
+class CreateSystemNoteMetadata < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    create_table :system_note_metadata do |t|
+      t.references :note, null: false
+      t.integer :commit_count
+      t.string :action
+
+      t.timestamps null: false
+    end
+
+    add_concurrent_foreign_key :system_note_metadata, :notes, column: :note_id
+  end
+
+  def down
+    drop_table :system_note_metadata
+  end
+end