gitlab-org--gitlab-foss/db/migrate/20180116193854_create_lfs_file_locks.rb
Jan Provaznik 0fc9f9d3e7 Add version 4.2 to all existing migrations
DB schema generated by a migration may look different in
rails 4 and 5 (because rails 5 may use different default values).
For this reason it's important to explicitly set for which rails
version a migration was written for.

See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
2018-11-22 13:18:28 +01:00

30 lines
843 B
Ruby

class CreateLfsFileLocks < ActiveRecord::Migration[4.2]
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