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author | Emilio Tagua <miloops@gmail.com> | 2009-05-26 12:41:52 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2009-05-26 12:41:52 -0300 |
commit | c9bbea6115be520dbd47bd30108c5622289deb26 (patch) | |
tree | ec418e01954c1bd2dcfebc7fbc8220fb04b50baf /spec/arel/integration/joins/with_aggregations_spec.rb | |
parent | ae1e0ac5e98a7e5a2894d0a431f8c34af6575cae (diff) | |
parent | 86364591af807ed3fa4a7304f53e6f3458cb4961 (diff) | |
download | rails-c9bbea6115be520dbd47bd30108c5622289deb26.tar.gz rails-c9bbea6115be520dbd47bd30108c5622289deb26.tar.bz2 rails-c9bbea6115be520dbd47bd30108c5622289deb26.zip |
Merge commit 'brynary/master'
Conflicts:
lib/arel.rb
lib/arel/session.rb
Diffstat (limited to 'spec/arel/integration/joins/with_aggregations_spec.rb')
-rw-r--r-- | spec/arel/integration/joins/with_aggregations_spec.rb | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/spec/arel/integration/joins/with_aggregations_spec.rb b/spec/arel/integration/joins/with_aggregations_spec.rb deleted file mode 100644 index 2b21dcaa1e..0000000000 --- a/spec/arel/integration/joins/with_aggregations_spec.rb +++ /dev/null @@ -1,89 +0,0 @@ -require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper') - -module Arel - describe Join do - before do - @relation1 = Arel(:users) - @relation2 = Arel(:photos) - @predicate = @relation1[:id].eq(@relation2[:user_id]) - end - - describe 'when joining aggregated relations' do - before do - @aggregation = @relation2 \ - .group(@relation2[:user_id]) \ - .project(@relation2[:user_id], @relation2[:id].count.as(:cnt)) \ - end - - describe '#to_sql' do - # CLEANUP - it '' do - @relation1.join(@relation2.take(3)).on(@predicate).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `photos_external`.`id`, `photos_external`.`user_id`, `photos_external`.`camera_id` - FROM `users` - INNER JOIN (SELECT `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id` FROM `photos` LIMIT 3) AS `photos_external` - ON `users`.`id` = `photos_external`.`user_id` - ") - end - - describe 'with the aggregation on the right' do - it 'manufactures sql joining the left table to a derived table' do - @relation1.join(@aggregation).on(@predicate).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `photos_external`.`user_id`, `photos_external`.`cnt` - FROM `users` - INNER JOIN (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` GROUP BY `photos`.`user_id`) AS `photos_external` - ON `users`.`id` = `photos_external`.`user_id` - ") - end - end - - describe 'with the aggregation on the left' do - it 'manufactures sql joining the right table to a derived table' do - @aggregation.join(@relation1).on(@predicate).to_sql.should be_like(" - SELECT `photos_external`.`user_id`, `photos_external`.`cnt`, `users`.`id`, `users`.`name` - FROM (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` GROUP BY `photos`.`user_id`) AS `photos_external` - INNER JOIN `users` - ON `users`.`id` = `photos_external`.`user_id` - ") - end - end - - describe 'with the aggregation on both sides' do - it 'it properly aliases the aggregations' do - aggregation2 = @aggregation.alias - @aggregation.join(aggregation2).on(aggregation2[:user_id].eq(@aggregation[:user_id])).to_sql.should be_like(" - SELECT `photos_external`.`user_id`, `photos_external`.`cnt`, `photos_external_2`.`user_id`, `photos_external_2`.`cnt` - FROM (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` GROUP BY `photos`.`user_id`) AS `photos_external` - INNER JOIN (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` GROUP BY `photos`.`user_id`) AS `photos_external_2` - ON `photos_external_2`.`user_id` = `photos_external`.`user_id` - ") - end - end - - describe 'when the aggration has a where' do - describe 'with the aggregation on the left' do - it "manufactures sql keeping wheres on the aggregation within the derived table" do - @relation1.join(@aggregation.where(@aggregation[:user_id].eq(1))).on(@predicate).to_sql.should be_like(" - SELECT `users`.`id`, `users`.`name`, `photos_external`.`user_id`, `photos_external`.`cnt` - FROM `users` - INNER JOIN (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` WHERE `photos`.`user_id` = 1 GROUP BY `photos`.`user_id`) AS `photos_external` - ON `users`.`id` = `photos_external`.`user_id` - ") - end - end - - describe 'with the aggregation on the right' do - it "manufactures sql keeping wheres on the aggregation within the derived table" do - @aggregation.where(@aggregation[:user_id].eq(1)).join(@relation1).on(@predicate).to_sql.should be_like(" - SELECT `photos_external`.`user_id`, `photos_external`.`cnt`, `users`.`id`, `users`.`name` - FROM (SELECT `photos`.`user_id`, COUNT(`photos`.`id`) AS `cnt` FROM `photos` WHERE `photos`.`user_id` = 1 GROUP BY `photos`.`user_id`) AS `photos_external` - INNER JOIN `users` - ON `users`.`id` = `photos_external`.`user_id` - ") - end - end - end - end - end - end -end |