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# frozen_string_literal: true
class AddIterationsCadenceToSprints < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
INDEX_NAME = 'index_sprints_iterations_cadence_id'
def up
add_column :sprints, :iterations_cadence_id, :integer unless column_exists?(:sprints, :iterations_cadence_id)
add_concurrent_index :sprints, :iterations_cadence_id, name: INDEX_NAME
add_concurrent_foreign_key :sprints, :iterations_cadences, column: :iterations_cadence_id, on_delete: :cascade
end
def down
remove_column :sprints, :iterations_cadence_id if column_exists?(:sprints, :iterations_cadence_id)
end
end
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