*: fix warning message when to meet strconv.ErrSyntax

[hawkingrei]

What problem does this PR solve?

Issue Number: close #41730

close #40339

close #30836

close #13450

Problem Summary:

What is changed and how it works?

described as the issue. It blocked the sqlancer to find bug.

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

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• tiancaiamao
• xhebox

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[xhebox]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 8f0c3c3

[hawkingrei]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 9c27d6b

[hawkingrei]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 988248b

[hawkingrei]

/test all

[hawkingrei]

/cherrypick release-7.1

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-7.1: #43388.

In response to this:

/cherrypick release-7.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[hawkingrei]

/cherrypick release-6.5

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-6.5: #56032.

In response to this:

/cherrypick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.