lightning: merge conflict record tables for preprocess duplicate detection and post-import conflict detection (#52307)

[ti-chi-bot]

This is an automated cherry-pick of #52307

What problem does this PR solve?

Issue Number: ref #52306
ref #52393

Problem Summary:

What changed and how does it work?

Merge conflict record tables for preprocess duplicate detection and post-import conflict detection.

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

[lyzx2001]

/retest

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-8.1@e19f78c). Click here to learn what that means.
The diff coverage is 71.4285%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.1     #52617   +/-   ##
================================================
  Coverage               ?   72.3039%           
================================================
  Files                  ?       1467           
  Lines                  ?     427165           
  Branches               ?          0           
================================================
  Hits                   ?     308857           
  Misses                 ?      99022           
  Partials               ?      19286           

Flag	Coverage Δ
unit	71.1795% <71.4285%> (?)

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

Components	Coverage Δ
dumpling	53.9957% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	41.1063% <0.0000%> (?)

[lyzx2001]

/cc @lance6716 @tangenta @BornChanger

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-16 04:32:27.06674852 +0000 UTC m=+312566.177794953: ☑️ agreed by lyzx2001.
• 2024-04-16 07:37:18.688612927 +0000 UTC m=+323657.799659376: ☑️ agreed by lance6716.

[BornChanger]

br part lgtm.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, lance6716, lyzx2001, tangenta

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Needs approval from an approver in each of these files:

• br/OWNERS [BornChanger]
• lightning/OWNERS [lance6716]
• pkg/ddl/OWNERS [tangenta]
• pkg/lightning/OWNERS [lance6716]

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