yellowjacket/backend/database/sql/schemas/track_metadata.sql

CREATE VIEW IF NOT EXISTS track_metadata AS
    SELECT
        af.id,
        af.file_path,
        af.length_milliseconds,
        COALESCE(r.name, '') AS title,
        COALESCE(ac.text, '') AS artist_name,
        r.track_number,
        r.disc_number,
        COALESCE(rg.name, '') AS album,
        CAST(COALESCE(
            (SELECT GROUP_CONCAT(g.name, '||')
             FROM recording_genres rg_sub
             JOIN genres g ON rg_sub.genre_id = g.id
             WHERE rg_sub.recording_id = r.id),
            ''
        ) AS TEXT) AS genre,
        COALESCE(rg.original_year, rg.year, r.year, 0) AS year,
        COALESCE(rg.year, r.year, 0) AS release_year,
        COALESCE(r.composer, '') AS composer,
        COALESCE(ft.extension, '') AS file_type,
        af.sample_rate,
        af.bit_depth,
        af.channels,
        af.bitrate,
        af.file_size,
        af.library_id,
        af.play_count,
        af.last_played,
        COALESCE(ca.file_path, '') AS cover_art_path,
        COALESCE(a.mbid, '') AS artist_mbid,
        COALESCE(rg.mbid, '') AS release_group_mbid,
        COALESCE(r.mbid, '') AS recording_mbid
    FROM audio_files af
    LEFT JOIN recordings r ON af.recording_id = r.id
    LEFT JOIN artist_credit ac ON r.artist_credit_id = ac.id
    LEFT JOIN artist_credit_artist aca ON aca.credit_id = ac.id
    LEFT JOIN artists a ON a.id = aca.artist_id
    LEFT JOIN (
        SELECT recording_id,
            MIN(release_group_id) AS release_group_id
        FROM release_group_recordings
        GROUP BY recording_id
    ) rgr ON r.id = rgr.recording_id
    LEFT JOIN release_groups rg ON rgr.release_group_id = rg.id
    LEFT JOIN cover_art ca ON rg.cover_art_id = ca.id
    LEFT JOIN file_types ft ON af.file_type_id = ft.id;