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-rw-r--r--spec/arel/integration/joins/with_aggregations_spec.rb150
1 files changed, 114 insertions, 36 deletions
diff --git a/spec/arel/integration/joins/with_aggregations_spec.rb b/spec/arel/integration/joins/with_aggregations_spec.rb
index 2b21dcaa1e..41978c0a5a 100644
--- a/spec/arel/integration/joins/with_aggregations_spec.rb
+++ b/spec/arel/integration/joins/with_aggregations_spec.rb
@@ -18,68 +18,146 @@ module Arel
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`
- ")
+ sql = @relation1.join(@relation2.take(3)).on(@predicate).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
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`
- ")
+ sql = @relation1.join(@aggregation).on(@predicate).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
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`
- ")
+ sql = @aggregation.join(@relation1).on(@predicate).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
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`
- ")
+ sql = @aggregation.join(aggregation2).on(aggregation2[:user_id].eq(@aggregation[:user_id])).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
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`
- ")
+ sql = @relation1.join(@aggregation.where(@aggregation[:user_id].eq(1))).on(@predicate).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
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`
- ")
+ sql = @aggregation.where(@aggregation[:user_id].eq(1)).join(@relation1).on(@predicate).to_sql
+
+ adapter_is :mysql do
+ sql.should be_like(%Q{
+ 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
+
+ adapter_is_not :mysql do
+ sql.should be_like(%Q{
+ 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-12 07:43:12 +0000