change expressions related to statement summary tables to ensure co…

[Liuxiaozhen12]

…nsistency

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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• TomShawn
• qiancai

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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[TomShawn]

LGTM

[ti-chi-bot]

@djshow832: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

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[djshow832]

LGTM

[qiancai]

LGTM

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6993.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6994.

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-5.1 from head ti-chi-bot:cherry-pick-6928-to-release-5.1: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"A pull request already exists for ti-chi-bot:cherry-pick-6928-to-release-5.1."}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-4.0 from head ti-chi-bot:cherry-pick-6928-to-release-4.0: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"A pull request already exists for ti-chi-bot:cherry-pick-6928-to-release-4.0."}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-5.0 from head ti-chi-bot:cherry-pick-6928-to-release-5.0: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"A pull request already exists for ti-chi-bot:cherry-pick-6928-to-release-5.0."}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}