Your CI database has 1,000 rows. Production has 50 million. The planner makes completely different decisions for each. Running EXPLAIN in CI tells you nothing about the production plan. This is the core premise behind RegreSQL. Catching query plan regressions in CI is far more reliable when the planner sees production-scale statistics.
The response includes hits (matched documents), query (the original query string), processingTimeMs (engine-side latency), limit, offset, and estimatedTotalHits. That last field is an estimate, not a precise count, for performance reasons — getting an exact count requires a full index scan.
，这一点在WhatsApp Web 網頁版登入中也有详细论述
Becky Joyce says demand for their support has risen sharply
dynamically-sized data structures like heap-allocated arrays,
data := await fetch_data(f"https://api.example.com/{source}")?;