planner: fix name ambiguous check when building natural join without filter (#36012)

[ti-chi-bot]

This is an automated cherry-pick of #36012

Signed-off-by: AilinKid 314806019@qq.com

What problem does this PR solve?

Issue Number: close #32044

Problem Summary:

What is changed and how it works?

natural join without a filter may find their common columns from both sides first.
then, for every common column, we need to make sure that there is exactly one column matches the name for each side.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

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.

planner: fix name ambiguous check when building natural join without filter

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• OWNERS [AilinKid,hawkingrei]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-19 09:14:22.471619529 +0000 UTC m=+262151.219242639: ☑️ agreed by AilinKid.
• 2024-02-19 09:18:44.703966483 +0000 UTC m=+262413.451589594: ☑️ agreed by hawkingrei.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@3b7f150). Click here to learn what that means.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #50904   +/-   ##
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  Branches               ?          0           
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  Hits                   ?     293152           
  Misses                 ?      94452           
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Flag	Coverage Δ
unit	71.9679% <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	53.2600% <0.0000%> (?)

[AilinKid]

/test check-dev

[tiprow]

@AilinKid: No presubmit jobs available for pingcap/tidb@release-7.5

In response to this:

/test check-dev

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