chore: tweaks

[dantengsky]

I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/

Summary

• chore: code dedup

• chore: use databend_storages_common_table_meta::meta::TableMetaTimestamp

• Closes #issue

[github-actions]

Pull request description must contain CLA like the following:

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

## Summary

Summary about this PR

- Close #issue

[github-actions]

At least one test kind must be checked in the PR description.
@dantengsky please update it 🙏.

[github-actions]

At least one type of change must be checked in the PR description.
@dantengsky please update it 🙏.