parser, infoschema, executor: Add information_schema.keywords (#48807)

[dveeden]

What problem does this PR solve?

Issue Number: ref #48801

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.

The `INFORMATION_SCHEMA.KEYWORDS` table was added to improve compatibility with MySQL Connector/J 8.x

[ti-chi-bot]

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[dveeden]

/ok-to-test

[dveeden]

/test all

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@27b00d3). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #49633   +/-   ##
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  Coverage               ?   71.9545%           
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  Files                  ?       1401           
  Lines                  ?     406633           
  Branches               ?          0           
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  Hits                   ?     292591           
  Misses                 ?      94334           
  Partials               ?      19708           

Flag	Coverage Δ
unit	71.9545% <0.0000%> (?)

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	53.2539% <0.0000%> (?)