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# frozen_string_literal: true
class AddIterationListsForeignKey < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_lists_on_iteration_id'
disable_ddl_transaction!
def up
add_concurrent_index :lists, :iteration_id, name: INDEX_NAME
add_concurrent_foreign_key :lists, :sprints, column: :iteration_id, on_delete: :cascade
end
def down
remove_foreign_key_if_exists :lists, :sprints, column: :iteration_id
remove_concurrent_index_by_name :lists, INDEX_NAME
end
end
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