planner: move some estimation functions from the physical-optimization package into cardinality package

[qw4990]

What problem does this PR solve?

Issue Number: ref #46358

Problem Summary: Move the Selectivity function from the stats package into cardinality package

What is changed and how it works?

No logical change, just some code movement.

Follow with #46359

Move the Selectivity function from the stats package.

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.

None

[tiprow]

Hi @qw4990. Thanks for your PR.

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[codecov]

Codecov Report

Merging #46479 (7bba4a2) into master (c94b9ae) will decrease coverage by 0.6709%.
Report is 2 commits behind head on master.
The diff coverage is 92.0529%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #46479        +/-   ##
================================================
- Coverage   73.3709%   72.7000%   -0.6709%     
================================================
  Files          1302       1324        +22     
  Lines        394467     400722      +6255     
================================================
+ Hits         289424     291325      +1901     
- Misses        86645      90932      +4287     
- Partials      18398      18465        +67     

Flag	Coverage Δ
integration	25.6236% <77.4834%> (?)
unit	73.3770% <91.3907%> (+0.0061%)	⬆️

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

Components	Coverage Δ
dumpling	54.0444% <ø> (ø)
parser	85.0638% <ø> (ø)
br	48.0129% <ø> (-4.3671%)	⬇️

[qw4990]

/test build

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, time-and-fate

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-08-29 11:08:33.386902406 +0000 UTC m=+1838877.935918378: ☑️ agreed by time-and-fate.
• 2023-08-29 12:55:04.924152315 +0000 UTC m=+1845269.473168286: ☑️ agreed by hawkingrei.