importinto: estimate real file size by sample on compressed file

[D3Hunter]

What problem does this PR solve?

Issue Number: ref #42930

Problem Summary:

What is changed and how it works?

• estimate real file size by sample on compressed file. it will be used when divide files into engine and calculate rowid.

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

[D3Hunter]

/ok-to-test

[tiprow]

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[codecov]

Codecov Report

Merging #46404 (7e45fdb) into master (c94b9ae) will decrease coverage by 0.6733%.
Report is 1 commits behind head on master.
The diff coverage is 88.8888%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #46404        +/-   ##
================================================
- Coverage   73.3709%   72.6976%   -0.6733%     
================================================
  Files          1302       1323        +21     
  Lines        394467     400698      +6231     
================================================
+ Hits         289424     291298      +1874     
- Misses        86645      90943      +4298     
- Partials      18398      18457        +59     

Flag	Coverage Δ
integration	25.6202% <0.0000%> (?)
unit	73.3746% <88.8888%> (+0.0037%)	⬆️

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	48.0201% <100.0000%> (-4.3599%)	⬇️

[D3Hunter]

/hold

race found

[D3Hunter]

@lance6716 see #46430 first, to solve data race

[D3Hunter]

/unhold

[D3Hunter]

@lance6716 @GMHDBJD

[D3Hunter]

ping @lance6716

[lance6716]

not sure if some compression types also save the original file size in metadata

[GMHDBJD]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: GMHDBJD, lance6716

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• OWNERS [GMHDBJD,lance6716]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-08-31 02:54:25.173581 +0000 UTC m=+1982029.722596987: ☑️ agreed by lance6716.
• 2023-09-05 10:42:04.294533839 +0000 UTC m=+2442088.843549826: ☑️ agreed by GMHDBJD.