importinto/lightning: check max row size when parsing csv to avoid OOM (#58592)

[ti-chi-bot]

This is an automated cherry-pick of #58592

What problem does this PR solve?

Issue Number: close #58590

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

import a file with 20 fields, each field is about 10+M, total row size is about 266M

mysql> import into t from '/playground/lightning/single-file/long-row.csv';
ERROR 1105 (HY000): size of row cannot exceed the max value of txn-entry-size-limit
mysql>

• 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

[ti-chi-bot]

@D3Hunter This PR has conflicts, I have hold it.
Please resolve them or ask others to resolve them, then comment /unhold to remove the hold label.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, tangenta

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-02-12 02:48:37.819323064 +0000 UTC m=+411160.215545122: ☑️ agreed by D3Hunter.
• 2025-02-12 02:53:24.822806196 +0000 UTC m=+411447.219028257: ☑️ agreed by tangenta.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

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