Added parameter affiliates.

migrations/20190325001339_releases.js

@@ -1285,8 +1285,10 @@ exports.up = knex => Promise.resolve()
 			.inTable('entities');
 
 		table.text('url');
+		table.text('parameters');
 
 		table.unique(['entity_id', 'url']);
+		table.unique(['entity_id', 'parameters']);
 
 		table.text('comment');
 
@@ -1578,6 +1580,12 @@ exports.up = knex => Promise.resolve()
 			CREATE FUNCTION banners_ratio(banner banners) RETURNS numeric AS $$
 				SELECT ROUND(banner.width::decimal / banner.height::decimal, 2);
 			$$ LANGUAGE SQL STABLE;
+
+			CREATE FUNCTION get_random_campaign() RETURNS SETOF campaigns AS $$
+				SELECT * FROM campaigns
+				ORDER BY random()
+				LIMIT 1;
+			$$ LANGUAGE sql STABLE;
 		`);
 	})
 	// POLICIES
@@ -1824,6 +1832,7 @@ exports.down = (knex) => { // eslint-disable-line arrow-body-style
 		DROP POLICY IF EXISTS stashes_policy ON stashes_actors;
 
 		DROP FUNCTION IF EXISTS current_user_id;
+		DROP FUNCTION IF EXISTS get_random_campaign;
 
 		DROP TABLE IF EXISTS releases_search_results;
 	`);