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author | Thong Kuah <tkuah@gitlab.com> | 2019-06-28 08:14:09 +0000 |
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committer | Thong Kuah <tkuah@gitlab.com> | 2019-06-28 08:14:09 +0000 |
commit | d69f9af7cf4d208a87379a211ff63fc7f1e5fce4 (patch) | |
tree | eb808417379c5b35b49b11a108b7b5d37087866f | |
parent | b0845b6293cc31f29583116ab583e77aad6a892f (diff) | |
parent | 04d2d8f9b7e8593cb0ea3d8db7b57b843387fa2b (diff) | |
download | gitlab-ce-d69f9af7cf4d208a87379a211ff63fc7f1e5fce4.tar.gz |
Merge branch '63212-n-1-queries-in-projects-id-boards-api' into 'master'
Remove N+1 queries in boards API
See merge request gitlab-org/gitlab-ce!29634
-rw-r--r-- | app/models/board.rb | 5 | ||||
-rw-r--r-- | app/models/list.rb | 1 | ||||
-rw-r--r-- | lib/api/boards.rb | 2 | ||||
-rw-r--r-- | lib/api/boards_responses.rb | 2 | ||||
-rw-r--r-- | lib/api/entities.rb | 2 | ||||
-rw-r--r-- | lib/api/group_boards.rb | 2 | ||||
-rw-r--r-- | spec/support/api/boards_shared_examples.rb | 10 |
7 files changed, 19 insertions, 5 deletions
diff --git a/app/models/board.rb b/app/models/board.rb index e08db764f65..50b6ca9b70f 100644 --- a/app/models/board.rb +++ b/app/models/board.rb @@ -4,11 +4,14 @@ class Board < ApplicationRecord belongs_to :group belongs_to :project - has_many :lists, -> { order(:list_type, :position) }, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent + has_many :lists, -> { ordered }, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent + has_many :destroyable_lists, -> { destroyable.ordered }, class_name: "List" validates :project, presence: true, if: :project_needed? validates :group, presence: true, unless: :project + scope :with_associations, -> { preload(:destroyable_lists) } + def project_needed? !group end diff --git a/app/models/list.rb b/app/models/list.rb index 17b1a8510cf..d28a9bda82d 100644 --- a/app/models/list.rb +++ b/app/models/list.rb @@ -16,6 +16,7 @@ class List < ApplicationRecord scope :destroyable, -> { where(list_type: list_types.slice(*destroyable_types).values) } scope :movable, -> { where(list_type: list_types.slice(*movable_types).values) } scope :preload_associations, -> { preload(:board, :label) } + scope :ordered, -> { order(:list_type, :position) } class << self def destroyable_types diff --git a/lib/api/boards.rb b/lib/api/boards.rb index b7c77730afb..4e31f74f18a 100644 --- a/lib/api/boards.rb +++ b/lib/api/boards.rb @@ -27,7 +27,7 @@ module API end get '/' do authorize!(:read_board, user_project) - present paginate(board_parent.boards), with: Entities::Board + present paginate(board_parent.boards.with_associations), with: Entities::Board end desc 'Find a project board' do diff --git a/lib/api/boards_responses.rb b/lib/api/boards_responses.rb index 86d9b24802f..68497a08fb8 100644 --- a/lib/api/boards_responses.rb +++ b/lib/api/boards_responses.rb @@ -11,7 +11,7 @@ module API end def board_lists - board.lists.destroyable + board.destroyable_lists end def create_list diff --git a/lib/api/entities.rb b/lib/api/entities.rb index ead01dc53f7..d783591c238 100644 --- a/lib/api/entities.rb +++ b/lib/api/entities.rb @@ -1101,7 +1101,7 @@ module API expose :project, using: Entities::BasicProjectDetails expose :lists, using: Entities::List do |board| - board.lists.destroyable + board.destroyable_lists end end diff --git a/lib/api/group_boards.rb b/lib/api/group_boards.rb index 9a20ee8c8b9..feb2254963e 100644 --- a/lib/api/group_boards.rb +++ b/lib/api/group_boards.rb @@ -37,7 +37,7 @@ module API use :pagination end get '/' do - present paginate(board_parent.boards), with: Entities::Board + present paginate(board_parent.boards.with_associations), with: Entities::Board end end diff --git a/spec/support/api/boards_shared_examples.rb b/spec/support/api/boards_shared_examples.rb index 592962ebf7c..3abb5096a7a 100644 --- a/spec/support/api/boards_shared_examples.rb +++ b/spec/support/api/boards_shared_examples.rb @@ -14,6 +14,16 @@ shared_examples_for 'group and project boards' do |route_definition, ee = false| end end + it 'avoids N+1 queries' do + pat = create(:personal_access_token, user: user) + control = ActiveRecord::QueryRecorder.new { get api(root_url, personal_access_token: pat) } + + create(:milestone, "#{board_parent.class.name.underscore}": board_parent) + create(:board, "#{board_parent.class.name.underscore}": board_parent) + + expect { get api(root_url, personal_access_token: pat) }.not_to exceed_query_limit(control) + end + describe "GET #{route_definition}" do context "when unauthenticated" do it "returns authentication error" do |