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Purge cached tracks with junk artist names on first v2.3 startup

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One-time migration deletes metadata cache entries where artist_name is
null, empty, 'unknown', 'unknown artist', etc. The cache gate now
prevents new junk entries, but existing poisoned data from before the
fix needs cleaning so users don't keep getting Unknown Artist from
stale cache hits.
This commit is contained in:
Broque Thomas 2026-04-12 16:33:08 -07:00
parent e65f73abe2
commit f9450b4fea
1 changed files with 17 additions and 0 deletions
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17
database/music_database.py
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@ -660,6 +660,23 @@ class MusicDatabase:
except Exception:
pass
# One-time migration: purge cached tracks/albums with junk artist names.
# The cache gate now rejects these, but existing entries need cleaning.
try:
cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='_cache_junk_artist_purged'")
if not cursor.fetchone():
cursor.execute("""DELETE FROM metadata_cache_entities
WHERE entity_type IN ('track', 'album')
AND (artist_name IS NULL
OR TRIM(artist_name) = ''
OR LOWER(TRIM(artist_name)) IN ('unknown', 'unknown artist', 'none', 'null'))""")
purged = cursor.rowcount
cursor.execute("CREATE TABLE _cache_junk_artist_purged (applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)")
if purged > 0:
logger.info(f"Purged {purged} cached tracks/albums with junk artist names")
except Exception:
pass
conn.commit()
logger.info("Database initialized successfully")