Guangdong Liu

@ashulin @TyrantLucifer @CalvinKirs @Hisoka-X @EricJoy2048 PTAL thanks.

PTAL @CalvinKirs @TyrantLucifer @Hisoka-X .thanks

please rerun CI thanks @TyrantLucifer

@TyrantLucifer @Hisoka-X PTAL

rerun CI? I don't think this mistake affects @TyrantLucifer

> * [ ] Support more than splits and parallelism. please assign this task to me. I am working for customize parallelism.

subtask of #2642 .change the jdbc driver scope to provider and improve the jdbc connector doc. PTAL @ashulin @Hisoka-X @TyrantLucifer thanks

PTAL @hailin0

@ashulin i fixed those problems, and PTAL again ,thanks.

@ashulin @TyrantLucifer @CalvinKirs @Hisoka-X @EricJoy2048 PTAL thanks.