feat: 3.0 cover

[menshibin]

Description

Please briefly describe the code changes in this pull request.

Jira: https://jira.taosdata.com:18080/browse/TD-

Checklist

Please check the items in the checklist if applicable.

• Is the user manual updated?
• Are the test cases passed and automated?
• Is there no significant decrease in test coverage?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (3.0@47e212c). Learn more about missing BASE report.

Additional details and impacted files

@@          Coverage Diff           @@
##             3.0      #79   +/-   ##
======================================
  Coverage       ?   76.69%           
======================================
  Files          ?       10           
  Lines          ?      412           
  Branches       ?       52           
======================================
  Hits           ?      316           
  Misses         ?       71           
  Partials       ?       25           

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