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# frozen_string_literal: true
class FixMissingTraversalIds < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
ROOTS_MIGRATION = 'BackfillNamespaceTraversalIdsRoots'
CHILDREN_MIGRATION = 'BackfillNamespaceTraversalIdsChildren'
DOWNTIME = false
BATCH_SIZE = 1_000
SUB_BATCH_SIZE = 50
DELAY_INTERVAL = 2.minutes
ROOT_NS_INDEX_NAME = 'tmp_index_namespaces_empty_traversal_ids_with_root_namespaces'
CHILD_INDEX_NAME = 'tmp_index_namespaces_empty_traversal_ids_with_child_namespaces'
disable_ddl_transaction!
def up
add_concurrent_index :namespaces, :id, where: "parent_id IS NULL AND traversal_ids = '{}'", name: ROOT_NS_INDEX_NAME
add_concurrent_index :namespaces, :id, where: "parent_id IS NOT NULL AND traversal_ids = '{}'", name: CHILD_INDEX_NAME
# Personal namespaces and top-level groups
final_delay = queue_background_migration_jobs_by_range_at_intervals(
::Gitlab::BackgroundMigration::BackfillNamespaceTraversalIdsRoots::Namespace.base_query.where("traversal_ids = '{}'"),
ROOTS_MIGRATION,
DELAY_INTERVAL,
batch_size: BATCH_SIZE,
other_job_arguments: [SUB_BATCH_SIZE],
track_jobs: true
)
final_delay += DELAY_INTERVAL
# Subgroups
queue_background_migration_jobs_by_range_at_intervals(
::Gitlab::BackgroundMigration::BackfillNamespaceTraversalIdsChildren::Namespace.base_query.where("traversal_ids = '{}'"),
CHILDREN_MIGRATION,
DELAY_INTERVAL,
batch_size: BATCH_SIZE,
initial_delay: final_delay,
other_job_arguments: [SUB_BATCH_SIZE],
track_jobs: true
)
end
def down
remove_concurrent_index_by_name :namespaces, ROOT_NS_INDEX_NAME
remove_concurrent_index_by_name :namespaces, CHILD_INDEX_NAME
end
end
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