[Feature]: OceanBase LogMiner

[nautaa]

Use Case

Log analysis and data flashback.

Describe the solution you'd like

Oceanbase LogMiner is a log analysis and data flashback tool for Oceanbase that supports online and offline log analysis, as well as data flashback.

Users need to specify the target cluster to be analysed, and LogMiner converts the clog data into corresponding Redo/Undo SQL according to the filter conditions given by the user for analysis or subsequent recovery.

Describe alternatives you've considered

Additional context

feature branch oblogminer_42x support in 4.2.3