转载：
https://www.cnblogs.com/binliubiao/p/15399595.html
参考：
https://postgres.fun/categories/
参考：
http://www.postgres.cn/v2/news/viewone/1/524
参考
1、 [PostgreSQL11：分区表支持创建主键、外键、索引]
https://postgres.fun/20180920155600.html
(https://postgres.fun/20180920155600.html)
2、[PostgreSQL 12 preview - 分区表性能提升百倍]
(https://github.com/digoal/blog/blob/master/201905/20190521_01.md)
https://github.com/digoal/blog/blob/master/201905/20190521_01.md
