lightning: return 0 early on empty parquet files

[kennytm]

What problem does this PR solve?

Issue Number: close #52518

Problem Summary:

What changed and how does it work?

If the Parquet file is empty, directly set the size to be 0.

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.

Importing empty tables via Parquet no longer crash.

[tiprow]

Hi @kennytm. Thanks for your PR.

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[kennytm]

/ok-to-test

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[kennytm]

/test all

[Benjamin2037]

LGTM

[GMHDBJD]

LGTM

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-12 01:54:34.867480998 +0000 UTC m=+1186536.395021543: ☑️ agreed by Benjamin2037.
• 2024-04-12 02:00:42.133696576 +0000 UTC m=+1186903.661237124: ☑️ agreed by GMHDBJD.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Benjamin2037, GMHDBJD, lance6716

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #52521.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #52522.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #52523.