exports.up = async function(knex) {
	await knex.raw(`
		DROP INDEX unique_actor_slugs;
		CREATE UNIQUE INDEX unique_actor_slugs ON actors (slug, entry_id) WHERE entity_id IS NULL;
	`);

	await knex.schema.alterTable('actors', (table) => {
		table.boolean('allow_global_match');
		table.text('comment');
	});
};

exports.down = async function(knex) {
	const dupes = await knex('actors')
		.select('name', 'slug', knex.raw('count(*) as count'))
		.whereNull('entity_id')
		.groupBy('name', 'slug')
		.havingRaw('count(*) > 1')
		.orderBy('count', 'desc');

	if (dupes.length > 0) {
		console.log('DUPES\n', dupes.map((actor) => `${actor.name} ${actor.slug} ${actor.count}`).join('\n'));
	}

	await knex.raw(`
		DROP INDEX unique_actor_slugs;
		CREATE UNIQUE INDEX unique_actor_slugs ON actors (slug) WHERE entity_id IS NULL;
	`);

	await knex.schema.alterTable('actors', (table) => {
		table.dropColumn('allow_global_match');
		table.dropColumn('comment');
	});
};