db link not open in mysql sequencer？

[ZLBer]

What happened:
the db link did not initialized in mysql sequencer @GimmeCyy
related pr: #605
What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

[seeflood]

Thanks for your feedback
@GimmeCyy Could u help with this issue?

[GimmeCyy]

这里的db是用sqlmock.New()出来的，所以没有去连接一个真实的数据库

[ZLBer]

@GimmeCyy 实际用的时候需要去open一个真实的数据库, 辛苦改下这里~
感谢 @OOOOlh同学找出的问题~

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity in the last 30 days. It will be closed in the next 7 days unless it is tagged (pinned, good first issue or help wanted) or other activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as pinned, good first issue or help wanted. Thank you for your contributions.