Fixed: performance issue on RepositoriesController#revisions when a changeset has a great number of changes (eg. 100,000).

Also added pagination for changes on changeset details view.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@535 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang 2007-05-15 21:32:36 +00:00
parent 777c9acae8
commit bb1fccb7b7
5 changed files with 47 additions and 10 deletions

View File

@ -49,7 +49,7 @@ class RepositoriesController < ApplicationController
show_error and return unless @entry
end
@repository.changesets_with_path @path do
@changeset_count = @repository.changesets.count
@changeset_count = @repository.changesets.count(:select => "DISTINCT #{Changeset.table_name}.id")
@changeset_pages = Paginator.new self, @changeset_count,
25,
params['page']
@ -71,6 +71,13 @@ class RepositoriesController < ApplicationController
def revision
@changeset = @repository.changesets.find_by_revision(@rev)
show_error and return unless @changeset
@changes_count = @changeset.changes.size
@changes_pages = Paginator.new self, @changes_count, 150, params['page']
@changes = @changeset.changes.find(:all,
:limit => @changes_pages.items_per_page,
:offset => @changes_pages.current.offset)
render :action => "revision", :layout => false if request.xhr?
end
def diff

View File

@ -40,7 +40,9 @@ class Repository < ActiveRecord::Base
path = "/#{path}%"
path = url.gsub(/^#{root_url}/, '') + path if root_url && root_url != url
path.squeeze!("/")
Changeset.with_scope(:find => { :include => :changes, :conditions => ["#{Change.table_name}.path LIKE ?", path] }) do
# Custom select and joins is done to allow conditions on changes table without loading associated Change objects
# Required for changesets with a great number of changes (eg. 100,000)
Changeset.with_scope(:find => { :select => "DISTINCT #{Changeset.table_name}.*", :joins => "LEFT OUTER JOIN #{Change.table_name} ON #{Change.table_name}.changeset_id = #{Changeset.table_name}.id", :conditions => ["#{Change.table_name}.path LIKE ?", path] }) do
yield
end
end

View File

@ -28,7 +28,7 @@
<p><%= link_to(l(:label_view_diff), :action => 'diff', :id => @project, :path => "", :rev => @changeset.revision) if @changeset.changes.any? %></p>
<table class="list">
<tbody>
<% @changeset.changes.each do |change| %>
<% @changes.each do |change| %>
<tr class="<%= cycle 'odd', 'even' %>">
<td><div class="square action_<%= change.action %>"></div> <%= change.path %></td>
<td align="right">
@ -40,8 +40,9 @@
<% end %>
</tbody>
</table>
<p><%= lwr(:label_modification, @changeset.changes.length) %></p>
<p><%= pagination_links_full @changes_pages, :rev => @changeset.revision %>
[ <%= @changes_pages.current.first_item %> - <%= @changes_pages.current.last_item %> / <%= @changes_count %> ]</p>
<% content_for :header_tags do %>
<%= stylesheet_link_tag "scm" %>
<% end %>
<% end %>

16
test/fixtures/changes.yml vendored Normal file
View File

@ -0,0 +1,16 @@
---
changes_001:
id: 1
changeset_id: 100
action: A
path: /test/some/path/in/the/repo
from_path:
from_revision:
changes_002:
id: 2
changeset_id: 100
action: A
path: /test/some/path/elsewhere/in/the/repo
from_path:
from_revision:

View File

@ -18,7 +18,11 @@
require File.dirname(__FILE__) + '/../test_helper'
class RepositoryTest < Test::Unit::TestCase
fixtures :projects, :repositories, :issues, :issue_statuses, :changesets
fixtures :projects, :repositories, :issues, :issue_statuses, :changesets, :changes
def setup
@repository = Project.find(1).repository
end
def test_create
repository = Repository.new(:project => Project.find(2))
@ -33,10 +37,9 @@ class RepositoryTest < Test::Unit::TestCase
end
def test_cant_change_url
repository = Project.find(1).repository
url = repository.url
repository.url = "svn://anotherhost"
assert_equal url, repository.url
url = @repository.url
@repository.url = "svn://anotherhost"
assert_equal url, @repository.url
end
def test_scan_changesets_for_issue_ids
@ -56,4 +59,12 @@ class RepositoryTest < Test::Unit::TestCase
# ignoring commits referencing an issue of another project
assert_equal [], Issue.find(4).changesets
end
def test_changesets_with_path
@repository.changesets_with_path '/some/path' do
assert_equal 1, @repository.changesets.count(:select => "DISTINCT #{Changeset.table_name}.id")
changesets = @repository.changesets.find(:all)
assert_equal 1, changesets.size
end
end
end