Commit 0a8f90a0 authored by Dmitriy Zaporozhets's avatar Dmitriy Zaporozhets

Merge remote-tracking branch 'public/project-find-with-namespace-performance'

Signed-off-by: default avatarDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
parents 69bcef32 2d779f70
......@@ -5,6 +5,7 @@ v 8.1.0 (unreleased)
- Allow removing of project without confirmation when JavaScript is disabled (Stan Hu)
- Support filtering by "Any" milestone or issue and fix "No Milestone" and "No Label" filters (Stan Hu)
- Improved performance of the trending projects page
- Improved performance of finding projects by their namespace
- Fix bug where transferring a project would result in stale commit links (Stan Hu)
- Include full path of source and target branch names in New Merge Request page (Stan Hu)
- Add user preference to view activities as default dashboard (Stan Hu)
......
# Concern for querying columns with specific case sensitivity handling.
module CaseSensitivity
extend ActiveSupport::Concern
module ClassMethods
# Queries the given columns regardless of the casing used.
#
# Unlike other ActiveRecord methods this method only operates on a Hash.
def iwhere(params)
criteria = self
cast_lower = Gitlab::Database.postgresql?
params.each do |key, value|
column = ActiveRecord::Base.connection.quote_table_name(key)
if cast_lower
condition = "LOWER(#{column}) = LOWER(:value)"
else
condition = "#{column} = :value"
end
criteria = criteria.where(condition, value: value)
end
criteria
end
end
end
......@@ -40,6 +40,7 @@ class Project < ActiveRecord::Base
include Referable
include Sortable
include AfterCommitQueue
include CaseSensitivity
extend Gitlab::ConfigHelper
extend Enumerize
......@@ -235,13 +236,18 @@ class Project < ActiveRecord::Base
end
def find_with_namespace(id)
return nil unless id.include?('/')
namespace_path, project_path = id.split('/')
id = id.split('/')
namespace = Namespace.by_path(id.first)
return nil unless namespace
return nil if !namespace_path || !project_path
where(namespace_id: namespace.id).where("LOWER(projects.path) = :path", path: id.second.downcase).first
# Use of unscoped ensures we're not secretly adding any ORDER BYs, which
# have a negative impact on performance (and aren't needed for this
# query).
unscoped.
joins(:namespace).
iwhere('namespaces.path' => namespace_path).
iwhere('projects.path' => project_path).
take
end
def visibility_levels
......
class NamespacesProjectsPathLowerIndexes < ActiveRecord::Migration
disable_ddl_transaction!
def up
return unless Gitlab::Database.postgresql?
execute 'CREATE INDEX CONCURRENTLY index_on_namespaces_lower_path ON namespaces (LOWER(path));'
execute 'CREATE INDEX CONCURRENTLY index_on_projects_lower_path ON projects (LOWER(path));'
end
def down
return unless Gitlab::Database.postgresql?
remove_index :namespaces, name: :index_on_namespaces_lower_path
remove_index :projects, name: :index_on_projects_lower_path
end
end
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20151005162154) do
ActiveRecord::Schema.define(version: 20151007120511) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......
module Gitlab
module Database
def self.mysql?
ActiveRecord::Base.connection.adapter_name.downcase == 'mysql'
end
def self.postgresql?
ActiveRecord::Base.connection.adapter_name.downcase == 'postgresql'
end
end
end
......@@ -16,6 +16,7 @@ namespace :gitlab do
Rake::Task["db:setup"].invoke
Rake::Task["add_limits_mysql"].invoke
Rake::Task["setup_postgresql"].invoke
Rake::Task["db:seed_fu"].invoke
rescue Gitlab::TaskAbortedByUserError
puts "Quitting...".red
......
require Rails.root.join('db/migrate/20151007120511_namespaces_projects_path_lower_indexes')
desc 'GitLab | Sets up PostgreSQL'
task setup_postgresql: :environment do
NamespacesProjectsPathLowerIndexes.new.up
end
......@@ -30,4 +30,21 @@ describe Project, benchmark: true do
it { is_expected.to iterate_per_second(iterations) }
end
end
describe '.find_with_namespace' do
let(:group) { create(:group, name: 'sisinmaru') }
let(:project) { create(:project, name: 'maru', namespace: group) }
describe 'using a capitalized namespace' do
benchmark_subject { described_class.find_with_namespace('sisinmaru/MARU') }
it { is_expected.to iterate_per_second(600) }
end
describe 'using a lowercased namespace' do
benchmark_subject { described_class.find_with_namespace('sisinmaru/maru') }
it { is_expected.to iterate_per_second(600) }
end
end
end
require 'spec_helper'
describe Gitlab::Database do
# These are just simple smoke tests to check if the methods work (regardless
# of what they may return).
describe '.mysql?' do
subject { described_class.mysql? }
it { is_expected.to satisfy { |val| val == true || val == false } }
end
describe '.postgresql?' do
subject { described_class.postgresql? }
it { is_expected.to satisfy { |val| val == true || val == false } }
end
end
require 'spec_helper'
describe CaseSensitivity do
describe '.iwhere' do
let(:connection) { ActiveRecord::Base.connection }
let(:model) { Class.new { include CaseSensitivity } }
describe 'using PostgreSQL' do
before do
allow(Gitlab::Database).to receive(:postgresql?).and_return(true)
allow(Gitlab::Database).to receive(:mysql?).and_return(false)
end
describe 'with a single column/value pair' do
it 'returns the criteria for a column and a value' do
criteria = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:foo).
and_return('"foo"')
expect(model).to receive(:where).
with(%q{LOWER("foo") = LOWER(:value)}, value: 'bar').
and_return(criteria)
expect(model.iwhere(foo: 'bar')).to eq(criteria)
end
it 'returns the criteria for a column with a table, and a value' do
criteria = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:'foo.bar').
and_return('"foo"."bar"')
expect(model).to receive(:where).
with(%q{LOWER("foo"."bar") = LOWER(:value)}, value: 'bar').
and_return(criteria)
expect(model.iwhere(:'foo.bar' => 'bar')).to eq(criteria)
end
end
describe 'with multiple column/value pairs' do
it 'returns the criteria for a column and a value' do
initial = double(:criteria)
final = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:foo).
and_return('"foo"')
expect(connection).to receive(:quote_table_name).
with(:bar).
and_return('"bar"')
expect(model).to receive(:where).
with(%q{LOWER("foo") = LOWER(:value)}, value: 'bar').
and_return(initial)
expect(initial).to receive(:where).
with(%q{LOWER("bar") = LOWER(:value)}, value: 'baz').
and_return(final)
got = model.iwhere(foo: 'bar', bar: 'baz')
expect(got).to eq(final)
end
it 'returns the criteria for a column with a table, and a value' do
initial = double(:criteria)
final = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:'foo.bar').
and_return('"foo"."bar"')
expect(connection).to receive(:quote_table_name).
with(:'foo.baz').
and_return('"foo"."baz"')
expect(model).to receive(:where).
with(%q{LOWER("foo"."bar") = LOWER(:value)}, value: 'bar').
and_return(initial)
expect(initial).to receive(:where).
with(%q{LOWER("foo"."baz") = LOWER(:value)}, value: 'baz').
and_return(final)
got = model.iwhere(:'foo.bar' => 'bar',
:'foo.baz' => 'baz')
expect(got).to eq(final)
end
end
end
describe 'using MySQL' do
before do
allow(Gitlab::Database).to receive(:postgresql?).and_return(false)
allow(Gitlab::Database).to receive(:mysql?).and_return(true)
end
describe 'with a single column/value pair' do
it 'returns the criteria for a column and a value' do
criteria = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:foo).
and_return('`foo`')
expect(model).to receive(:where).
with(%q{`foo` = :value}, value: 'bar').
and_return(criteria)
expect(model.iwhere(foo: 'bar')).to eq(criteria)
end
it 'returns the criteria for a column with a table, and a value' do
criteria = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:'foo.bar').
and_return('`foo`.`bar`')
expect(model).to receive(:where).
with(%q{`foo`.`bar` = :value}, value: 'bar').
and_return(criteria)
expect(model.iwhere(:'foo.bar' => 'bar')).
to eq(criteria)
end
end
describe 'with multiple column/value pairs' do
it 'returns the criteria for a column and a value' do
initial = double(:criteria)
final = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:foo).
and_return('`foo`')
expect(connection).to receive(:quote_table_name).
with(:bar).
and_return('`bar`')
expect(model).to receive(:where).
with(%q{`foo` = :value}, value: 'bar').
and_return(initial)
expect(initial).to receive(:where).
with(%q{`bar` = :value}, value: 'baz').
and_return(final)
got = model.iwhere(foo: 'bar', bar: 'baz')
expect(got).to eq(final)
end
it 'returns the criteria for a column with a table, and a value' do
initial = double(:criteria)
final = double(:criteria)
expect(connection).to receive(:quote_table_name).
with(:'foo.bar').
and_return('`foo`.`bar`')
expect(connection).to receive(:quote_table_name).
with(:'foo.baz').
and_return('`foo`.`baz`')
expect(model).to receive(:where).
with(%q{`foo`.`bar` = :value}, value: 'bar').
and_return(initial)
expect(initial).to receive(:where).
with(%q{`foo`.`baz` = :value}, value: 'baz').
and_return(final)
got = model.iwhere(:'foo.bar' => 'bar',
:'foo.baz' => 'baz')
expect(got).to eq(final)
end
end
end
end
end
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