5 articles
RSSHow to fix Python aiosqlite errors — database is locked, WAL mode for concurrent reads, foreign_keys PRAGMA, row factory for dict-like rows, connection per request vs pool, datetime detect_types, and FastAPI integration.
How to fix LiteFS errors — primary not elected, Consul lease setup, static lease single-node mode, halt locks for cross-node writes, replica seeing stale data, mount path mismatch, and LiteFS Cloud sync.
How to fix Cloudflare D1 errors — D1_ERROR no such table, binding undefined, --local vs --remote drift, migrations not applied, prepared statement bind index, foreign keys not enforced, and concurrent writes.
How to fix Peewee errors — OperationalError database is locked, connection already open, field type mismatch, model meta database missing, N+1 queries, and peewee-migrate setup.
How to fix the SQLite 'database is locked' error caused by concurrent writes, long-running transactions, missing WAL mode, busy timeout, and unclosed connections.