postgresql 創建gin索引

 

1.創建gin類型的索引

postgresql 創建gin索引遇到的問題：
1.ERROR: operator class "gin_trgm_ops" does not exist for access method "gin"

解決方案：
先執行 CREATE EXTENSION pg_trgm;

https://www.cnblogs.com/goingforward/p/10386979.html