gitlab-org--gitlab-foss/db/post_migrate/20210730104800_schedule_ext...

38 lines
1.0 KiB
Ruby

# frozen_string_literal: true
class ScheduleExtractProjectTopicsIntoSeparateTable < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
BATCH_SIZE = 1_000
DELAY_INTERVAL = 2.minutes
MIGRATION = 'ExtractProjectTopicsIntoSeparateTable'
INDEX_NAME = 'tmp_index_taggings_on_id_where_taggable_type_project'
INDEX_CONDITION = "taggable_type = 'Project'"
disable_ddl_transaction!
class Tagging < ActiveRecord::Base
include ::EachBatch
self.table_name = 'taggings'
end
def up
# this index is used in 20210730104800_schedule_extract_project_topics_into_separate_table
add_concurrent_index :taggings, :id, where: INDEX_CONDITION, name: INDEX_NAME # rubocop:disable Migration/PreventIndexCreation
queue_background_migration_jobs_by_range_at_intervals(
Tagging.where(taggable_type: 'Project'),
MIGRATION,
DELAY_INTERVAL,
batch_size: BATCH_SIZE,
track_jobs: true
)
end
def down
remove_concurrent_index_by_name :taggings, INDEX_NAME
end
end