關於「Filtered index PostgreSQL」標籤，搜尋引擎有相關的訊息討論：

Why is Postgresql using filter instead of index? - Stack Overflowstackoverflow.com › questions › why-is-postgresql-using-f...A Practical Guide to PostgreSQL Indexes - Perconawww.percona.com › blog › a-practical-guide-to-postgresql...Why is a GiST index used for filtering on non