parser: fix limit lost in SetOprStmt (#49898)

[ti-chi-bot]

This is an automated cherry-pick of #49898

What problem does this PR solve?

Issue Number: close #49874

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

[Defined2014]

Should wait #49499 merged.

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-20 08:01:06.435997335 +0000 UTC m=+344155.183620446: ☑️ agreed by Defined2014.
• 2024-02-20 08:25:36.37757968 +0000 UTC m=+345625.125202791: ☑️ agreed by xhebox.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@15790a2). Click here to learn what that means.
The diff coverage is 57.4468%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #49932   +/-   ##
================================================
  Coverage               ?   71.9931%           
================================================
  Files                  ?       1404           
  Lines                  ?     407786           
  Branches               ?          0           
================================================
  Hits                   ?     293578           
  Misses                 ?      94487           
  Partials               ?      19721           

Flag	Coverage Δ
unit	71.9931% <57.4468%> (?)

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	53.3240% <0.0000%> (?)

[Defined2014]

/retest

[Defined2014]

@yudongusa @easonn7
PTAL

[easonn7]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Defined2014, easonn7, tangenta, xhebox

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