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author | Adam Niedzielski <adamsunday@gmail.com> | 2017-06-29 16:14:12 +0200 |
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committer | Adam Niedzielski <adamsunday@gmail.com> | 2017-06-29 16:14:12 +0200 |
commit | a3d7983b18cc81607c255f64b678da0ab7b9477d (patch) | |
tree | 273b1109d9e3b1061c2251ebcd567e7aca0d9405 | |
parent | da6a3fb0c24e2af59d6fbd3421446b8f7666cdf6 (diff) | |
download | gitlab-ce-a3d7983b18cc81607c255f64b678da0ab7b9477d.tar.gz |
Revert "Merge branch 'dm-drop-default-scope-on-sortable-finders' into 'master'"
This reverts commit b07c00032b038f40796a28e34b6dd4c622bad012, reversing
changes made to 2b97d76d0b08a778710410df910a7601f6b8e9e7.
-rw-r--r-- | app/controllers/projects/issues_controller.rb | 2 | ||||
-rw-r--r-- | app/models/concerns/sortable.rb | 23 | ||||
-rw-r--r-- | app/models/project.rb | 6 | ||||
-rw-r--r-- | changelogs/unreleased/dm-drop-default-scope-on-sortable-finders.yml | 4 | ||||
-rw-r--r-- | spec/models/concerns/sortable_spec.rb | 21 |
5 files changed, 4 insertions, 52 deletions
diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb index 5b2de93c168..dfc6baa34a4 100644 --- a/app/controllers/projects/issues_controller.rb +++ b/app/controllers/projects/issues_controller.rb @@ -227,7 +227,7 @@ class Projects::IssuesController < Projects::ApplicationController def issue return @issue if defined?(@issue) # The Sortable default scope causes performance issues when used with find_by - @noteable = @issue ||= @project.issues.find_by!(iid: params[:id]) + @noteable = @issue ||= @project.issues.where(iid: params[:id]).reorder(nil).take! return render_404 unless can?(current_user, :read_issue, @issue) diff --git a/app/models/concerns/sortable.rb b/app/models/concerns/sortable.rb index fdacfa5a194..a155a064032 100644 --- a/app/models/concerns/sortable.rb +++ b/app/models/concerns/sortable.rb @@ -5,25 +5,6 @@ module Sortable extend ActiveSupport::Concern - module DropDefaultScopeOnFinders - # Override these methods to drop the `ORDER BY id DESC` default scope. - # See http://dba.stackexchange.com/a/110919 for why we do this. - %i[find find_by find_by!].each do |meth| - define_method meth do |*args, &block| - return super(*args, &block) if block - - unordered_relation = unscope(:order) - - # We cannot simply call `meth` on `unscope(:order)`, since that is also - # an instance of the same relation class this module is included into, - # which means we'd get infinite recursion. - # We explicitly use the original implementation to prevent this. - original_impl = method(__method__).super_method.unbind - original_impl.bind(unordered_relation).call(*args) - end - end - end - included do # By default all models should be ordered # by created_at field starting from newest @@ -37,10 +18,6 @@ module Sortable scope :order_updated_asc, -> { reorder(updated_at: :asc) } scope :order_name_asc, -> { reorder(name: :asc) } scope :order_name_desc, -> { reorder(name: :desc) } - - # All queries (relations) on this model are instances of this `relation_klass`. - relation_klass = relation_delegate_class(ActiveRecord::Relation) - relation_klass.prepend DropDefaultScopeOnFinders end module ClassMethods diff --git a/app/models/project.rb b/app/models/project.rb index 228f66b95cd..a75c5209955 100644 --- a/app/models/project.rb +++ b/app/models/project.rb @@ -815,7 +815,7 @@ class Project < ActiveRecord::Base end def ci_service - @ci_service ||= ci_services.find_by(active: true) + @ci_service ||= ci_services.reorder(nil).find_by(active: true) end def deployment_services @@ -823,7 +823,7 @@ class Project < ActiveRecord::Base end def deployment_service - @deployment_service ||= deployment_services.find_by(active: true) + @deployment_service ||= deployment_services.reorder(nil).find_by(active: true) end def monitoring_services @@ -831,7 +831,7 @@ class Project < ActiveRecord::Base end def monitoring_service - @monitoring_service ||= monitoring_services.find_by(active: true) + @monitoring_service ||= monitoring_services.reorder(nil).find_by(active: true) end def jira_tracker? diff --git a/changelogs/unreleased/dm-drop-default-scope-on-sortable-finders.yml b/changelogs/unreleased/dm-drop-default-scope-on-sortable-finders.yml deleted file mode 100644 index b359a25053a..00000000000 --- a/changelogs/unreleased/dm-drop-default-scope-on-sortable-finders.yml +++ /dev/null @@ -1,4 +0,0 @@ ---- -title: Improve performance of lookups of issues, merge requests etc by dropping unnecessary ORDER BY clause -merge_request: -author: diff --git a/spec/models/concerns/sortable_spec.rb b/spec/models/concerns/sortable_spec.rb deleted file mode 100644 index d1e17c4f684..00000000000 --- a/spec/models/concerns/sortable_spec.rb +++ /dev/null @@ -1,21 +0,0 @@ -require 'spec_helper' - -describe Sortable do - let(:relation) { Issue.all } - - describe '#where' do - it 'orders by id, descending' do - order_node = relation.where(iid: 1).order_values.first - expect(order_node).to be_a(Arel::Nodes::Descending) - expect(order_node.expr.name).to eq(:id) - end - end - - describe '#find_by' do - it 'does not order' do - expect(relation).to receive(:unscope).with(:order).and_call_original - - relation.find_by(iid: 1) - end - end -end |