diff options
Diffstat (limited to 'app/models/ci/namespace_mirror.rb')
-rw-r--r-- | app/models/ci/namespace_mirror.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/app/models/ci/namespace_mirror.rb b/app/models/ci/namespace_mirror.rb new file mode 100644 index 00000000000..8a4be3139e8 --- /dev/null +++ b/app/models/ci/namespace_mirror.rb @@ -0,0 +1,37 @@ +# frozen_string_literal: true + +module Ci + # This model represents a record in a shadow table of the main database's namespaces table. + # It allows us to navigate the namespace hierarchy on the ci database without resorting to a JOIN. + class NamespaceMirror < ApplicationRecord + belongs_to :namespace + + scope :contains_namespace, -> (id) do + where('traversal_ids @> ARRAY[?]::int[]', id) + end + + class << self + def sync!(event) + namespace = event.namespace + traversal_ids = namespace.self_and_ancestor_ids(hierarchy_order: :desc) + + upsert({ namespace_id: event.namespace_id, traversal_ids: traversal_ids }, + unique_by: :namespace_id) + + # It won't be necessary once we remove `sync_traversal_ids`. + # More info: https://gitlab.com/gitlab-org/gitlab/-/issues/347541 + sync_children_namespaces!(event.namespace_id, traversal_ids) + end + + private + + def sync_children_namespaces!(namespace_id, traversal_ids) + contains_namespace(namespace_id) + .where.not(namespace_id: namespace_id) + .update_all( + "traversal_ids = ARRAY[#{sanitize_sql(traversal_ids.join(','))}]::int[] || traversal_ids[array_position(traversal_ids, #{sanitize_sql(namespace_id)}) + 1:]" + ) + end + end + end +end |