1 files changed, 30 insertions, 0 deletions
diff --git a/db/migrate/20180116193854_create_lfs_file_locks.rb b/db/migrate/20180116193854_create_lfs_file_locks.rb
new file mode 100644
index 00000000000..23b0c90484b
--- /dev/null
+++ b/db/migrate/20180116193854_create_lfs_file_locks.rb
@@ -0,0 +1,30 @@
+class CreateLfsFileLocks < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    create_table :lfs_file_locks do |t|
+      t.references :project, null: false, foreign_key: { on_delete: :cascade }
+      t.references :user, null: false, index: true, foreign_key: { on_delete: :cascade }
+      t.datetime :created_at, null: false
+      t.string :path, limit: 511
+    end
+
+    add_index :lfs_file_locks, [:project_id, :path], unique: true
+  end
+
+  def down
+    if foreign_keys_for(:lfs_file_locks, :project_id).any?
+      remove_foreign_key :lfs_file_locks, column: :project_id
+    end
+
+    if index_exists?(:lfs_file_locks, [:project_id, :path])
+      remove_concurrent_index :lfs_file_locks, [:project_id, :path]
+    end
+
+    drop_table :lfs_file_locks
+  end
+end