debian-mirror-gitlab/db/migrate/20180208183958_schedule_populate_untracked_uploads_if_needed.rb
2019-02-15 15:39:39 +05:30

48 lines
1.1 KiB
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class SchedulePopulateUntrackedUploadsIfNeeded < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
FOLLOW_UP_MIGRATION = 'PopulateUntrackedUploads'.freeze
class UntrackedFile < ActiveRecord::Base
include EachBatch
self.table_name = 'untracked_files_for_uploads'
end
def up
if table_exists?(:untracked_files_for_uploads)
process_or_remove_table
end
end
def down
# nothing
end
private
def process_or_remove_table
if UntrackedFile.all.empty?
drop_temp_table
else
schedule_populate_untracked_uploads_jobs
end
end
def drop_temp_table
drop_table(:untracked_files_for_uploads, if_exists: true)
end
def schedule_populate_untracked_uploads_jobs
say "Scheduling #{FOLLOW_UP_MIGRATION} background migration jobs since there are rows in untracked_files_for_uploads."
bulk_queue_background_migration_jobs_by_range(
UntrackedFile, FOLLOW_UP_MIGRATION)
end
end