diff options
Diffstat (limited to 'db/migrate/20170928133643_create_fork_network_members.rb')
-rw-r--r-- | db/migrate/20170928133643_create_fork_network_members.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/db/migrate/20170928133643_create_fork_network_members.rb b/db/migrate/20170928133643_create_fork_network_members.rb new file mode 100644 index 00000000000..c1d94e7d52e --- /dev/null +++ b/db/migrate/20170928133643_create_fork_network_members.rb @@ -0,0 +1,26 @@ +class CreateForkNetworkMembers < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + disable_ddl_transaction! + + def up + create_table :fork_network_members do |t| + t.references :fork_network, null: false, index: true, foreign_key: { on_delete: :cascade } + t.references :project, null: false, index: { unique: true }, foreign_key: { on_delete: :cascade } + t.references :forked_from_project, references: :projects + end + + add_concurrent_foreign_key :fork_network_members, :projects, + column: :forked_from_project_id, + on_delete: :nullify + end + + def down + if foreign_key_exists?(:fork_network_members, column: :forked_from_project_id) + remove_foreign_key :fork_network_members, column: :forked_from_project_id + end + drop_table :fork_network_members + end +end |