gitlab-org--gitlab-foss/lib/gitlab/background_migration/backfill_project_member_nam...

38 lines
1.4 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# Backfills the `members.member_namespace_id` column for `type=ProjectMember`
class BackfillProjectMemberNamespaceId < Gitlab::BackgroundMigration::BatchedMigrationJob
def perform
parent_batch_relation = relation_scoped_to_range(batch_table, batch_column, start_id, end_id)
parent_batch_relation.each_batch(column: batch_column, of: sub_batch_size, order_hint: :type) do |sub_batch|
batch_metrics.time_operation(:update_all) do
# rubocop:disable Layout/LineLength
sub_batch.update_all('member_namespace_id = (SELECT projects.project_namespace_id FROM projects WHERE projects.id = source_id)')
# rubocop:enable Layout/LineLength
end
pause_ms_value = [0, pause_ms].max
sleep(pause_ms_value * 0.001)
end
end
def batch_metrics
@batch_metrics ||= Gitlab::Database::BackgroundMigration::BatchMetrics.new
end
private
def relation_scoped_to_range(source_table, source_key_column, start_id, stop_id)
define_batchable_model(source_table, connection: ApplicationRecord.connection)
.where(source_key_column => start_id..stop_id)
.joins('INNER JOIN projects ON members.source_id = projects.id')
.where(type: 'ProjectMember', source_type: 'Project')
.where(member_namespace_id: nil)
end
end
end
end