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

[ti-chi-bot]

trafficstars

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

• [x] 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

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-02-26 08:19:33.629699871 +0000 UTC m=+863662.377322982: :ballot_box_with_check: agreed by fixdb.
• 2024-02-26 08:24:00.207468418 +0000 UTC m=+863928.955091529: :ballot_box_with_check: agreed by hawkingrei.

[jackysp]

    explain_test.go:314: 
        	Error Trace:	executor/explain_test.go:314
        	            				executor/explain_test.go:390
        	Error:      	Not equal: 
        	            	expected: "4"
        	            	actual  : "0"
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1 +1 @@
        	            	-4
        	            	+0
        	Test:       	TestCheckActRowsWithUnistore
        	Messages:   	error comparing select * from t_unistore_act_rows

this test is not stable.

[jackysp]

/retest

[qw4990]

/retest

[qw4990]

/test unit-test

[tiprow[bot]]

@qw4990: No presubmit jobs available for pingcap/[email protected]

In response to this:

/test unit-test

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[jackysp]

/retest-required

[jackysp]

Something wrong with CI, it says TestPhysicalTableScanExtractCorrelatedCols failed, but it is not a test case included in release 7.1, I think.

[winoros]

/retest

[winoros]

/retest

[winoros]

/merge

[ti-chi-bot[bot]]

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[winoros]

/retest

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (release-7.1@1b13108). Click here to learn what that means. The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #50365   +/-   ##
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  Coverage               ?   73.4148%           
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  Files                  ?       1210           
  Lines                  ?     379313           
  Branches               ?          0           
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  Hits                   ?     278472           
  Misses                 ?      83046           
  Partials               ?      17795