Update 20240428_01.md

digoal · web-flow · commit bbe9e2e3546f · 2024-05-01T12:44:25.000+08:00
diff --git a/202404/20240428_01.md b/202404/20240428_01.md
@@ -72,7 +72,9 @@ create table user_like_list (
 ERROR:  42804: foreign key constraint "user_like_list_friends_fkey" cannot be implemented  
 DETAIL:  Key columns "friends" and "uid" are of incompatible types: integer[] and integer.  
 LOCATION:  ATAddForeignKeyConstraint, tablecmds.c:9220  
-```  
+```
+
+为了解决这个问题, 需要内核的支持, 或者在pk字段上使用check约束检查值是否在关联表的多值字段内存在, 为了保障性能需要在多值字段上添加gin索引.   
   
 外键相关参考信息:   
   
