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...