23 lines
628 B
Ruby
23 lines
628 B
Ruby
# frozen_string_literal: true
|
|
|
|
class UpdateMergeRequestsIterationForeignKey < ActiveRecord::Migration[6.0]
|
|
include Gitlab::Database::MigrationHelpers
|
|
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
with_lock_retries do
|
|
remove_foreign_key_if_exists(:merge_requests, column: :sprint_id)
|
|
end
|
|
|
|
add_concurrent_foreign_key(:merge_requests, :sprints, column: :sprint_id, on_delete: :nullify)
|
|
end
|
|
|
|
def down
|
|
with_lock_retries do
|
|
remove_foreign_key_if_exists(:merge_requests, column: :sprint_id)
|
|
end
|
|
|
|
add_concurrent_foreign_key(:merge_requests, :sprints, column: :sprint_id, on_delete: :cascade)
|
|
end
|
|
end
|