lightning: refine fetching table structure error handling (#44801)

[ti-chi-bot]

This is an automated cherry-pick of #44801

What problem does this PR solve?

Issue Number: close #44614

Problem Summary:

What is changed and how it works?

If any errors are encountered while fetching column auto information, log a warning and refrain from adding the table structure to the table structure map. This approach allows the error to be ignored if the table is not relevant, making the importing process proceed without any issues.

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

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