CREATE TABLE persons (
    id INTEGER NOT NULL PRIMARY KEY,
    first_name TEXT NOT NULL,
    last_name TEXT NOT NULL
);

CREATE TABLE instruments (
    id INTEGER NOT NULL PRIMARY KEY,
    name TEXT NOT NULL
);

CREATE TABLE works (
    id INTEGER NOT NULL PRIMARY KEY,
    composer INTEGER REFERENCES persons(id),
    title TEXT NOT NULL,
    part_of INTEGER REFERENCES works(id) ON DELETE CASCADE,
    part_index INTEGER,
    part_level INTEGER
);

CREATE TABLE instrumentations (
    work INTEGER NOT NULL REFERENCES works(id) ON DELETE CASCADE,
    instrument INTEGER NOT NULL REFERENCES instruments(id) ON DELETE CASCADE
);

allPersons:
SELECT * FROM persons ORDER BY last_name;

personById:
SELECT * FROM persons WHERE id = :id LIMIT 1;

allInstruments:
SELECT * FROM instruments ORDER BY name;

instrumentById:
SELECT * FROM instruments WHERE id = :id LIMIT 1;

workById:
SELECT * FROM works WHERE id = :id LIMIT 1;

workParts:
SELECT * FROM works WHERE part_of = :id ORDER BY part_index;

-- TODO: Uncomment this once https://github.com/simolus3/moor/issues/453 is fixed.
-- worksByComposer(:id AS INTEGER):
-- SELECT DISTINCT A.* FROM works A, works B ON A.id = B.part_of
--     WHERE A.composer = :id OR B.composer = :id;

instrumentsByWork:
SELECT instruments.* FROM instrumentations
    JOIN instruments ON instrumentations.instrument=instruments.id
    WHERE instrumentations.work = :workId;