planner: Choose index with statistics vs one without (#58593)

[ti-chi-bot]

This is an automated cherry-pick of #58593

What problem does this PR solve?

Issue Number: close #46375
Problem Summary:

What changed and how does it work?

Check List

Tests

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

[codecov]

Codecov Report

Attention: Patch coverage is 86.36364% with 3 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-7.5@4916d15). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #59221   +/-   ##
================================================
  Coverage               ?   72.1280%           
================================================
  Files                  ?       1417           
  Lines                  ?     413441           
  Branches               ?          0           
================================================
  Hits                   ?     298207           
  Misses                 ?      95213           
  Partials               ?      20021           

Flag	Coverage Δ
unit	72.1280% <86.3636%> (?)

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

Components	Coverage Δ
dumpling	52.9400% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.4486% <0.0000%> (?)

[fixdb]

+1

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• pkg/planner/OWNERS [fixdb,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-01-28 15:56:13.015688491 +0000 UTC m=+801100.346607890: ☑️ agreed by fixdb.
• 2025-01-29 12:22:30.04161811 +0000 UTC m=+874677.372537516: ☑️ agreed by winoros.