Ecuador (USD $)
블랙핑크 ‘데드라인’ 美빌보드 200 8위 진입
，这一点在吃瓜中也有详细论述
Загадочный олень покалечил таксиста и его пассажира20:49
A composite B-tree is still a sorted tree, but now entries are ordered first by severity, and then by timestamp within each severity value. This works great for this query shape: Postgres can jump directly to the portion of the tree matching severity