debian-mirror-gitlab/db/post_migrate/20220315181136_backfill_work_item_type_id_on_issues.rb
2022-06-21 17:19:12 +05:30

40 lines
1.1 KiB
Ruby

# frozen_string_literal: true
class BackfillWorkItemTypeIdOnIssues < Gitlab::Database::Migration[1.0]
MIGRATION = 'BackfillWorkItemTypeIdForIssues'
BATCH_CLASS_NAME = 'BackfillIssueWorkItemTypeBatchingStrategy'
BATCH_SIZE = 10_000
MAX_BATCH_SIZE = 30_000
SUB_BATCH_SIZE = 100
INTERVAL = 2.minutes
class MigrationWorkItemType < ApplicationRecord
self.table_name = 'work_item_types'
def self.id_by_type
where(namespace_id: nil).order(:base_type).pluck(:base_type, :id).to_h
end
end
def up
# We expect no more than 5 types. Only 3 of them are expected to have associated issues at the moment
MigrationWorkItemType.id_by_type.each do |base_type, type_id|
queue_batched_background_migration(
MIGRATION,
:issues,
:id,
base_type,
type_id,
job_interval: INTERVAL,
batch_size: BATCH_SIZE,
max_batch_size: MAX_BATCH_SIZE,
sub_batch_size: SUB_BATCH_SIZE,
batch_class_name: BATCH_CLASS_NAME
)
end
end
def down
Gitlab::Database::BackgroundMigration::BatchedMigration.where(job_class_name: MIGRATION).delete_all
end
end