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# frozen_string_literal: true
class AddEpicStartDateSourcingMilestoneIdForeignKey < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_foreign_key :epics, :milestones, column: start_date_column, on_delete: :nullify, validate: false
end
def down
remove_foreign_key_if_exists :epics, column: start_date_column
end
private
def start_date_column
:start_date_sourcing_milestone_id
end
end
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