关于postgresql:postgresql相关链接

libpq
https://www.postgresql.org/do…

protocol
https://www.postgresql.org/do…
https://zhuanlan.zhihu.com/p/…

set:
https://www.postgresql.org/do…

prepare:
https://www.postgresql.org/do…

prepare-transaction:
https://www.postgresql.org/do…

savepoint:
https://www.postgresql.org/do…