what's the difference between mysql 2.8.1 and ruby-mysql 2.9.3

Some plugin works well in mysql gem but doesn't wor开发者_如何学Pythonks so well in ruby-mysql

in rubygems, mysql gem has 453,540 total downloads, and ruby-mysql only has 12,137 total downloads.

I wanna know what's the difference between them.

Thanks.

---

The difference can be seen at the project's commit log, enjoy.