class AddForeignKeyToCiPipelineVariables < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_foreign_key(:ci_pipeline_variables, :ci_pipelines, column: :pipeline_id)
end
def down
remove_foreign_key(:ci_pipeline_variables, column: :pipeline_id)