Short-Circuiting Correlated Subqueries in SQLite
3 days ago
- #Query Optimization
- #Performance
- #SQLite
- SQLite optimization using uncorrelated scalar subqueries to skip correlated subqueries.
- Scour's ranking SQL query uses brute force search with binary-quantized vector embeddings.
- Domain exclusion filters added via correlated subqueries, impacting performance.
- Short-circuiting technique introduced to skip correlated subqueries for users without excluded domains.
- Benchmark results show significant performance improvement with short-circuiting for users without excluded domains.
- Comparison of NOT EXISTS, NOT IN, and LEFT JOIN methods for excluding rows.
- Conclusion: Short-circuiting with uncorrelated scalar subqueries optimizes performance for average cases.