-- P5-6033: blacklist collections create table collections_blacklist ( id serial primary key, collection_id integer not null, market_id integer not null, unique(collection_id, market_id) ); alter table collections_blacklist add constraint collection_fkey foreign key (collection_id) references collections(id) match simple; alter table collections_blacklist add constraint market_fkey foreign key (market_id) references markets(id) match simple;