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-- Mopidy-Local-SQLite schema upgrade v2 -> v3
BEGIN EXCLUSIVE TRANSACTION;
CREATE VIEW albums AS
SELECT album.uri AS uri,
album.name AS name,
artist.uri AS artist_uri,
artist.name AS artist_name,
artist.musicbrainz_id AS artist_musicbrainz_id,
album.num_tracks AS num_tracks,
album.num_discs AS num_discs,
album.date AS date,
album.musicbrainz_id AS musicbrainz_id,
album.images AS images
FROM album
LEFT OUTER JOIN artist ON album.artists = artist.uri;
CREATE VIEW artists AS
SELECT uri, name, musicbrainz_id
FROM artist
WHERE EXISTS (SELECT * FROM album WHERE album.artists = artist.uri)
OR EXISTS (SELECT * FROM track WHERE track.artists = artist.uri);
CREATE VIEW composers AS
SELECT uri, name, musicbrainz_id
FROM artist
WHERE EXISTS (SELECT * FROM track WHERE track.composers = artist.uri);
CREATE VIEW performers AS
SELECT uri, name, musicbrainz_id
FROM artist
WHERE EXISTS (SELECT * FROM track WHERE track.performers = artist.uri);
PRAGMA user_version = 3; -- update schema version
END TRANSACTION;
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