*: bypass order by clause for fast point get plan (#50204)

[ti-chi-bot]

This is an automated cherry-pick of #50204

What problem does this PR solve?

Issue Number: close #49920

Problem Summary:

What changed and how does it work?

It's better to resolve order by clause, but it will make some duplicated code.

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

❗ No coverage uploaded for pull request base (release-7.5@0ba14f4). Click here to learn what that means.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #50366   +/-   ##
================================================
  Coverage               ?   72.9789%           
================================================
  Files                  ?       1403           
  Lines                  ?     416730           
  Branches               ?          0           
================================================
  Hits                   ?     304125           
  Misses                 ?      92958           
  Partials               ?      19647           

Flag	Coverage Δ
unit	72.9789% <100.0000%> (?)

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

Components	Coverage Δ
dumpling	53.9913% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.6472% <0.0000%> (?)

[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:

• 2024-02-18 08:29:45.470329182 +0000 UTC m=+173074.217952293: ☑️ agreed by hawkingrei.
• 2024-02-18 13:54:29.696209488 +0000 UTC m=+192558.443832600: ☑️ agreed by winoros.

[jackysp]

/retest