session: set sql security of tidb_mdl_view to 'invoker' (#53265)

[ti-chi-bot]

This is an automated cherry-pick of #53265

What problem does this PR solve?

Issue Number: close #53292

Problem Summary:

See #53292 (comment)

What changed and how does it work?

• Change view's sql security from definer to invoker. Make users querying tidb_mdl_view responsible for passing permission checks.

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

[tangenta]

/retest

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-8.1@42b624c). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.1     #54941   +/-   ##
================================================
  Coverage               ?   71.2394%           
================================================
  Files                  ?       1465           
  Lines                  ?     422836           
  Branches               ?          0           
================================================
  Hits                   ?     301226           
  Misses                 ?     101140           
  Partials               ?      20470           

Flag	Coverage Δ
unit	71.2394% <ø> (?)

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

Components	Coverage Δ
dumpling	57.8032% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	41.3332% <0.0000%> (?)

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-05 04:30:52.472780697 +0000 UTC m=+239982.339879782: ☑️ agreed by tangenta.
• 2024-08-05 05:58:55.310447814 +0000 UTC m=+245265.177546902: ☑️ agreed by lcwangchao.

[easonn7]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: easonn7, lcwangchao, tangenta, wjhuang2016

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• pkg/infoschema/OWNERS [tangenta,wjhuang2016]
• pkg/session/OWNERS [easonn7]

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[tangenta]

/retest