diff options
Diffstat (limited to 'db/migrate/20170707184243_add_group_milestone_id_indexes.rb')
| -rw-r--r-- | db/migrate/20170707184243_add_group_milestone_id_indexes.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20170707184243_add_group_milestone_id_indexes.rb b/db/migrate/20170707184243_add_group_milestone_id_indexes.rb new file mode 100644 index 00000000000..aa48fe90cad --- /dev/null +++ b/db/migrate/20170707184243_add_group_milestone_id_indexes.rb @@ -0,0 +1,21 @@ +class AddGroupMilestoneIdIndexes < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + disable_ddl_transaction! + + DOWNTIME = false + + def up + return if index_exists?(:milestones, :group_id) + + add_concurrent_foreign_key :milestones, :namespaces, column: :group_id, on_delete: :cascade + + add_concurrent_index :milestones, :group_id + end + + def down + remove_foreign_key :milestones, column: :group_id + + remove_concurrent_index :milestones, :group_id + end +end |