/** @type {QBSelect<db:/example_data/person>} */
	var query = databaseManager.createSelect('db:/example_data/person')
	query.where.add(query.joins.person_to_parent.joins.person_to_parent.columns.name.eq('john'))
	foundset.loadRecords(query)

/** @type {QBSelect<db:/example_data/order_details>} */
	var subquery = databaseManager.createSelect('db:/example_data/order_details')

 /** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
	query.where.add(query
		.or
			.add(query.columns.order_id.not.isin([1, 2, 3]))

			.add(query.exists(
					subquery.where.add(subquery.columns.orderid.eq(query.columns.order_id)).root
			))
		)

	foundset.loadRecords(query)

query.sort.add(query.columns.orderid)

query.sort.add(query.columns.orderid)

query.sort.add(query.columns.orderid.desc)

query.sort.addPk()

query.sort.clear()