db/migrate/20200827104432_add_foreign_key_to_artifacts_archive_id_in_pages_metadata.rb


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# frozen_string_literal: true

class AddForeignKeyToArtifactsArchiveIdInPagesMetadata < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  INDEX_NAME = "index_project_pages_metadata_on_artifacts_archive_id"

  disable_ddl_transaction!

  def up
    add_concurrent_index(:project_pages_metadata, :artifacts_archive_id, name: INDEX_NAME)
    add_concurrent_foreign_key(:project_pages_metadata, :ci_job_artifacts, column: :artifacts_archive_id, on_delete: :nullify)
  end

  def down
    remove_foreign_key_if_exists(:project_pages_metadata, :ci_job_artifacts, column: :artifacts_archive_id)
    remove_concurrent_index_by_name(:project_pages_metadata, INDEX_NAME)
  end
end