diff options
Diffstat (limited to 'db/migrate/20180302152117_ensure_foreign_keys_on_clusters_applications.rb')
-rw-r--r-- | db/migrate/20180302152117_ensure_foreign_keys_on_clusters_applications.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/db/migrate/20180302152117_ensure_foreign_keys_on_clusters_applications.rb b/db/migrate/20180302152117_ensure_foreign_keys_on_clusters_applications.rb new file mode 100644 index 00000000000..4c2c242c01a --- /dev/null +++ b/db/migrate/20180302152117_ensure_foreign_keys_on_clusters_applications.rb @@ -0,0 +1,34 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class EnsureForeignKeysOnClustersApplications < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + disable_ddl_transaction! + + def up + unless foreign_keys_for(:clusters_applications_ingress, :cluster_id).any? + add_concurrent_foreign_key :clusters_applications_ingress, :clusters, + column: :cluster_id, + on_delete: :cascade + end + + unless foreign_keys_for(:clusters_applications_prometheus, :cluster_id).any? + add_concurrent_foreign_key :clusters_applications_prometheus, :clusters, + column: :cluster_id, + on_delete: :cascade + end + end + + def down + if foreign_keys_for(:clusters_applications_ingress, :cluster_id).any? + remove_foreign_key :clusters_applications_ingress, column: :cluster_id + end + + if foreign_keys_for(:clusters_applications_prometheus, :cluster_id).any? + remove_foreign_key :clusters_applications_prometheus, column: :cluster_id + end + end +end |