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fix: a slot the resolver emptied folds only into a copy of its own song (M498)
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Browse Source 
On 2026-10-20 the emptied "Open the Gateway" slot of Auvic's Speed Demons
was folded by title into another file tagged "Open the Gateway" that holds
Onward (244 s against the song's 254 s), so the album was never wanted
back. A wrong-slot removal now stamps tracks.emptied_at (migration 0095)
when the album holds no copy of the song as long as its MusicBrainz slot,
and missing-pair folding pairs such a row by title only with a track added
since: a copy fetched again. A slot whose song the album does hold (VOID
DLC's Weeper beside Void's) folds into it as before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bvandeusen
2026-10-20 11:55:23 -04:00
co-authored by Claude Opus 5.5
parent 09e74a57a2
commit 3ebd35e51d
13 changed files with 179 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/db/dbq/events.sql.go
+2 -1
View File
@@ -261,7 +261,7 @@ func (q *Queries) InsertSkipEvent(ctx context.Context, arg InsertSkipEventParams
}
const listRecentSessionTracks = `-- name: ListRecentSessionTracks :many
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at FROM tracks t
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at FROM tracks t
JOIN play_events pe ON pe.track_id = t.id
WHERE pe.session_id = $1
AND pe.started_at < $2
@@ -312,6 +312,7 @@ func (q *Queries) ListRecentSessionTracks(ctx context.Context, arg ListRecentSes
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
); err != nil {
return nil, err
}
internal/db/dbq/history.sql.go
+2 -1
View File
@@ -14,7 +14,7 @@ import (
const listUserHistory = `-- name: ListUserHistory :many
SELECT pe.id AS event_id,
pe.started_at,
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
albums.title AS album_title,
artists.name AS artist_name
FROM play_events pe
@@ -86,6 +86,7 @@ func (q *Queries) ListUserHistory(ctx context.Context, arg ListUserHistoryParams
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.AlbumTitle,
&i.ArtistName,
); err != nil {
internal/db/dbq/likes.sql.go
+2 -1
View File
@@ -281,7 +281,7 @@ func (q *Queries) ListLikedTrackIDs(ctx context.Context, userID pgtype.UUID) ([]
}
const listLikedTrackRows = `-- name: ListLikedTrackRows :many
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at FROM tracks t
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at FROM tracks t
JOIN (SELECT DISTINCT ON (lt.song_key) l.track_id, l.liked_at
FROM general_likes l
JOIN tracks lt ON lt.id = l.track_id
@@ -335,6 +335,7 @@ func (q *Queries) ListLikedTrackRows(ctx context.Context, arg ListLikedTrackRows
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
); err != nil {
return nil, err
}
internal/db/dbq/missing_pairs.sql.go
+5
View File
@@ -35,6 +35,7 @@ cand AS (
AND lower(p.title) = lower(m.title)
WHERE m.missing_since IS NOT NULL
AND (m.mbid IS NULL OR p.mbid IS NULL OR m.mbid = p.mbid)
AND (m.emptied_at IS DISTINCT FROM m.missing_since OR p.added_at > m.emptied_at)
),
pairs AS (
-- A pair both rules found is one candidate, credited to the stronger rule.
@@ -87,6 +88,10 @@ type ListMissingTrackPairsRow struct {
// A pair whose MBIDs are both set and differ is not a title match: the tags say
// they are different recordings. The caller folds a pair only when each side has
// exactly one candidate; anything else is ambiguous and left alone.
//
// A slot the duplicate resolver emptied (emptied_at, migration 0095) pairs by
// title only with a track added since: the album held no copy of the song as
// long as it is, so one already there under the title is another song.
func (q *Queries) ListMissingTrackPairs(ctx context.Context) ([]ListMissingTrackPairsRow, error) {
rows, err := q.db.Query(ctx, listMissingTrackPairs)
if err != nil {
internal/db/dbq/models.go
+1
View File
@@ -926,6 +926,7 @@ type Track struct {
SongKey pgtype.UUID
SourceVerdict *string
SourceVerdictAt pgtype.Timestamptz
EmptiedAt pgtype.Timestamptz
}
type TrackAcoustidLookup struct {
internal/db/dbq/recommendation.sql.go
+8 -4
View File
@@ -208,7 +208,7 @@ WITH plays AS (
WHERE user_id = $2 AND was_skipped = false
GROUP BY track_id
)
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
albums.title AS album_title,
artists.name AS artist_name
FROM plays p
@@ -275,6 +275,7 @@ func (q *Queries) ListMostPlayedTracksForArtist(ctx context.Context, arg ListMos
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.AlbumTitle,
&i.ArtistName,
); err != nil {
@@ -295,7 +296,7 @@ WITH plays AS (
WHERE user_id = $1 AND was_skipped = false
GROUP BY track_id
)
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
albums.title AS album_title,
artists.name AS artist_name
FROM plays p
@@ -364,6 +365,7 @@ func (q *Queries) ListMostPlayedTracksForUser(ctx context.Context, arg ListMostP
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.AlbumTitle,
&i.ArtistName,
); err != nil {
@@ -703,7 +705,7 @@ func (q *Queries) ListRediscoverArtistsForUser(ctx context.Context, arg ListRedi
const loadRadioCandidates = `-- name: LoadRadioCandidates :many
SELECT
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
(l.user_id IS NOT NULL)::bool AS is_liked,
pe.last_played_at::timestamptz AS last_played_at,
pe.play_count,
@@ -789,6 +791,7 @@ func (q *Queries) LoadRadioCandidates(ctx context.Context, arg LoadRadioCandidat
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.IsLiked,
&i.LastPlayedAt,
&i.PlayCount,
@@ -937,7 +940,7 @@ random_fill AS (
LIMIT $9
)
SELECT
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
(l.user_id IS NOT NULL)::bool AS is_liked,
pe.last_played_at::timestamptz AS last_played_at,
pe.play_count,
@@ -1069,6 +1072,7 @@ func (q *Queries) LoadRadioCandidatesV2(ctx context.Context, arg LoadRadioCandid
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.IsLiked,
&i.LastPlayedAt,
&i.PlayCount,
internal/db/dbq/tracks.sql.go
+31 -8
View File
@@ -299,7 +299,7 @@ func (q *Queries) FlagSuspectSourceTracks(ctx context.Context, pattern string) (
}
const getTrackByID = `-- name: GetTrackByID :one
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at FROM tracks WHERE id = $1
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at FROM tracks WHERE id = $1
`
func (q *Queries) GetTrackByID(ctx context.Context, id pgtype.UUID) (Track, error) {
@@ -330,12 +330,13 @@ func (q *Queries) GetTrackByID(ctx context.Context, id pgtype.UUID) (Track, erro
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
)
return i, err
}
const getTrackByPath = `-- name: GetTrackByPath :one
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at FROM tracks WHERE file_path = $1
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at FROM tracks WHERE file_path = $1
`
func (q *Queries) GetTrackByPath(ctx context.Context, filePath string) (Track, error) {
@@ -366,12 +367,13 @@ func (q *Queries) GetTrackByPath(ctx context.Context, filePath string) (Track, e
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
)
return i, err
}
const getTracksByIDs = `-- name: GetTracksByIDs :many
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at FROM tracks WHERE id = ANY($1::uuid[])
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at FROM tracks WHERE id = ANY($1::uuid[])
`
// Batched lookup used by /api/library/sync to hydrate upsert payloads
@@ -410,6 +412,7 @@ func (q *Queries) GetTracksByIDs(ctx context.Context, dollar_1 []pgtype.UUID) ([
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
); err != nil {
return nil, err
}
@@ -422,7 +425,7 @@ func (q *Queries) GetTracksByIDs(ctx context.Context, dollar_1 []pgtype.UUID) ([
}
const listArtistTracksForUser = `-- name: ListArtistTracksForUser :many
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
albums.title AS album_title,
artists.name AS artist_name
FROM tracks t
@@ -487,6 +490,7 @@ func (q *Queries) ListArtistTracksForUser(ctx context.Context, arg ListArtistTra
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.AlbumTitle,
&i.ArtistName,
); err != nil {
@@ -587,7 +591,7 @@ func (q *Queries) ListMissingTracks(ctx context.Context, arg ListMissingTracksPa
}
const listRandomTracksForUser = `-- name: ListRandomTracksForUser :many
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at,
SELECT t.id, t.title, t.album_id, t.artist_id, t.track_number, t.disc_number, t.duration_ms, t.file_path, t.file_size, t.file_format, t.bitrate, t.mbid, t.genre, t.added_at, t.updated_at, t.tag_source, t.tag_sources_version, t.tag_read_version, t.missing_since, t.mbid_source, t.song_id, t.song_key, t.source_verdict, t.source_verdict_at, t.emptied_at,
albums.title AS album_title,
artists.name AS artist_name
FROM tracks t
@@ -649,6 +653,7 @@ func (q *Queries) ListRandomTracksForUser(ctx context.Context, arg ListRandomTra
&i.Track.SongKey,
&i.Track.SourceVerdict,
&i.Track.SourceVerdictAt,
&i.Track.EmptiedAt,
&i.AlbumTitle,
&i.ArtistName,
); err != nil {
@@ -836,7 +841,7 @@ func (q *Queries) ListTrackPathsForReconcile(ctx context.Context) ([]ListTrackPa
}
const listTracksByAlbum = `-- name: ListTracksByAlbum :many
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at FROM tracks
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at FROM tracks
WHERE album_id = $1
AND NOT EXISTS (
SELECT 1 FROM quarantine q
@@ -887,6 +892,7 @@ func (q *Queries) ListTracksByAlbum(ctx context.Context, arg ListTracksByAlbumPa
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
); err != nil {
return nil, err
}
@@ -936,6 +942,21 @@ func (q *Queries) ListTracksMissingMbidWithPath(ctx context.Context, limit int32
return items, nil
}
const markTracksEmptied = `-- name: MarkTracksEmptied :exec
UPDATE tracks
SET emptied_at = missing_since
WHERE id = ANY($1::uuid[])
AND missing_since IS NOT NULL
`
// Stamps rows the duplicate resolver emptied, whose song the album holds no
// other copy of, with the time they went missing (migration 0095): missing-pair
// folding then waits for a copy fetched again.
func (q *Queries) MarkTracksEmptied(ctx context.Context, ids []pgtype.UUID) error {
_, err := q.db.Exec(ctx, markTracksEmptied, ids)
return err
}
const markTracksMissing = `-- name: MarkTracksMissing :execrows
UPDATE tracks
SET missing_since = now()
@@ -960,7 +981,7 @@ func (q *Queries) MarkTracksMissing(ctx context.Context, ids []pgtype.UUID) (int
}
const searchTracks = `-- name: SearchTracks :many
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at FROM tracks
SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at FROM tracks
WHERE title ILIKE '%' || $1::text || '%'
AND NOT EXISTS (
SELECT 1 FROM quarantine q
@@ -1018,6 +1039,7 @@ func (q *Queries) SearchTracks(ctx context.Context, arg SearchTracksParams) ([]T
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
); err != nil {
return nil, err
}
@@ -1096,7 +1118,7 @@ ON CONFLICT (file_path) DO UPDATE SET
-- next scan can short-circuit them again (#2499).
tag_read_version = EXCLUDED.tag_read_version,
updated_at = now()
RETURNING id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at
RETURNING id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at, tag_source, tag_sources_version, tag_read_version, missing_since, mbid_source, song_id, song_key, source_verdict, source_verdict_at, emptied_at
`
type UpsertTrackParams struct {
@@ -1160,6 +1182,7 @@ func (q *Queries) UpsertTrack(ctx context.Context, arg UpsertTrackParams) (Track
&i.SongKey,
&i.SourceVerdict,
&i.SourceVerdictAt,
&i.EmptiedAt,
)
return i, err
}
internal/db/migrations/0095_tracks_emptied_at.down.sql
+1
View File
@@ -0,0 +1 @@
ALTER TABLE tracks DROP COLUMN emptied_at;
internal/db/migrations/0095_tracks_emptied_at.up.sql
+13
View File
@@ -0,0 +1,13 @@
-- 0095_tracks_emptied_at.up.sql — a slot the duplicate resolver emptied
-- waits for a copy fetched again (Scribe milestone #498).
--
-- When the resolver removes a file filed under another song's title and the
-- album holds no copy of that song as long as the song is, the row is marked
-- missing and stamped here with the same time. Missing-pair folding then pairs
-- it by title only with a track added after that time, a copy fetched again,
-- and not with one already on the album: on 2026-10-20 an emptied "Open the
-- Gateway" was folded into a file tagged so that holds another song.
--
-- The stamp counts only while it equals missing_since: a row whose file came
-- back and later went missing again is an ordinary missing row.
ALTER TABLE tracks ADD COLUMN emptied_at timestamptz;
internal/db/queries/missing_pairs.sql
+5
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@@ -25,6 +25,10 @@
-- A pair whose MBIDs are both set and differ is not a title match: the tags say
-- they are different recordings. The caller folds a pair only when each side has
-- exactly one candidate; anything else is ambiguous and left alone.
--
-- A slot the duplicate resolver emptied (emptied_at, migration 0095) pairs by
-- title only with a track added since: the album held no copy of the song as
-- long as it is, so one already there under the title is another song.
WITH grp AS (
SELECT id AS album_id, COALESCE(release_group_mbid, id::text) AS g
FROM albums
@@ -47,6 +51,7 @@ cand AS (
AND lower(p.title) = lower(m.title)
WHERE m.missing_since IS NOT NULL
AND (m.mbid IS NULL OR p.mbid IS NULL OR m.mbid = p.mbid)
AND (m.emptied_at IS DISTINCT FROM m.missing_since OR p.added_at > m.emptied_at)
),
pairs AS (
-- A pair both rules found is one candidate, credited to the stronger rule.
internal/db/queries/tracks.sql
+9
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@@ -226,6 +226,15 @@ UPDATE tracks
SET mbid = NULL, mbid_source = NULL
WHERE id = ANY(sqlc.arg(ids)::uuid[]);
-- name: MarkTracksEmptied :exec
-- Stamps rows the duplicate resolver emptied, whose song the album holds no
-- other copy of, with the time they went missing (migration 0095): missing-pair
-- folding then waits for a copy fetched again.
UPDATE tracks
SET emptied_at = missing_since
WHERE id = ANY(sqlc.arg(ids)::uuid[])
AND missing_since IS NOT NULL;
-- name: ClearTracksMissing :execrows
-- Clears the mark on rows whose file is back. Runs independently of the mtime
-- skip check, so a file that reappears unchanged is un-marked even though the