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author | Jarka Kadlecova <jarka@gitlab.com> | 2017-08-15 12:18:49 +0200 |
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committer | Jarka Kadlecova <jarka@gitlab.com> | 2017-08-15 17:51:32 +0200 |
commit | 1a680f2f301bb375d6c5d4333b649a7c21cb6399 (patch) | |
tree | f2bf79d6eecfda363d7cffaa832cf816162819f8 | |
parent | a40f221d3d955a836ba3d60ee19884226fd613db (diff) | |
download | gitlab-ce-36465-duplicate-events.tar.gz |
Remove duplicated events for create MR36465-duplicate-events
-rw-r--r-- | db/post_migrate/20170815060945_remove_duplicate_mr_events.rb | 26 | ||||
-rw-r--r-- | db/schema.rb | 2 | ||||
-rw-r--r-- | spec/migrations/remove_duplicate_mr_events_spec.rb | 26 |
3 files changed, 53 insertions, 1 deletions
diff --git a/db/post_migrate/20170815060945_remove_duplicate_mr_events.rb b/db/post_migrate/20170815060945_remove_duplicate_mr_events.rb new file mode 100644 index 00000000000..6132b553177 --- /dev/null +++ b/db/post_migrate/20170815060945_remove_duplicate_mr_events.rb @@ -0,0 +1,26 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class RemoveDuplicateMrEvents < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + DOWNTIME = false + + class Event < ActiveRecord::Base + self.table_name = 'events' + end + + def up + base_condition = "action = 1 AND target_type = 'MergeRequest' AND created_at > '2017-08-13'" + Event.select('target_id, count(*)') + .where(base_condition) + .group('target_id').having('count(*) > 1').each do |event| + duplicates = Event.where("#{base_condition} AND target_id = #{event.target_id}").pluck(:id) + duplicates.shift + + Event.where(id: duplicates).delete_all + end + end + + def down + end +end diff --git a/db/schema.rb b/db/schema.rb index 3206e106552..2ea6ae29dc7 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -11,7 +11,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 20170809161910) do +ActiveRecord::Schema.define(version: 20170815060945) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" diff --git a/spec/migrations/remove_duplicate_mr_events_spec.rb b/spec/migrations/remove_duplicate_mr_events_spec.rb new file mode 100644 index 00000000000..e393374028f --- /dev/null +++ b/spec/migrations/remove_duplicate_mr_events_spec.rb @@ -0,0 +1,26 @@ +require 'spec_helper' +require Rails.root.join('db', 'post_migrate', '20170815060945_remove_duplicate_mr_events.rb') + +describe RemoveDuplicateMrEvents, truncate: true do + let(:migration) { described_class.new } + + describe '#up' do + let(:user) { create(:user) } + let(:merge_requests) { create_list(:merge_request, 2) } + let(:issue) { create(:issue) } + let!(:events) do + [ + create(:event, :created, author: user, target: merge_requests.first), + create(:event, :created, author: user, target: merge_requests.first), + create(:event, :updated, author: user, target: merge_requests.first), + create(:event, :created, author: user, target: merge_requests.second), + create(:event, :created, author: user, target: issue), + create(:event, :created, author: user, target: issue) + ] + end + + it 'removes duplicated merge request create records' do + expect { migration.up }.to change { Event.count }.from(6).to(5) + end + end +end |