statstics: forcely use index to order when to init stats (#52462)

[ti-chi-bot]

This is an automated cherry-pick of #52462

What problem does this PR solve?

Issue Number: close #52466

Problem Summary:

What changed and how does it work?

forcely use index to order when to init stats

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

before:

You will see that sort will be executed in the tidb.

after:

• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, winoros

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• OWNERS [hawkingrei,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-11 11:07:46.067064742 +0000 UTC m=+1133327.594605289: ☑️ agreed by hawkingrei.
• 2024-04-15 02:55:43.271539937 +0000 UTC m=+220362.382586378: ☑️ agreed by winoros.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@2ecc47d). Click here to learn what that means.
The diff coverage is 100.0000%.

Additional details and impacted files

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Flag	Coverage Δ
unit	72.0247% <100.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
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parser	∅ <0.0000%> (?)
br	53.3591% <0.0000%> (?)