mtgcoll/resources/migrations/00007_collection_table.up.sql

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CREATE TABLE collection (
id SERIAL PRIMARY KEY,
card_id TEXT NOT NULL,
quality TEXT NOT NULL CHECK (quality IN
('online', 'near mint', 'lightly played', 'moderately played', 'heavily played', 'damaged')),
quantity INT NOT NULL CHECK (quantity >= 0),
UNIQUE (card_id, quality)
);
ALTER TABLE ONLY collection ADD CONSTRAINT collection_card_id_fkey FOREIGN KEY (card_id) REFERENCES cards (id) ON DELETE CASCADE;
CREATE INDEX collection_card_id_idx ON collection (card_id);