types: fix inaccurate return type of plus between bit and int

[yuqi1129]

What problem does this PR solve?

Issue Number: close #26887

Problem Summary:

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:

Check List

Tests

• [-] Unit test

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

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• wshwsh12
• xiongjiwei

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[sre-bot]

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[yuqi1129]

/cc @lzmhhh123 @wshwsh12

[yuqi1129]

@lzmhhh123 Can you take some time to review this PR? thanks

[xiongjiwei]

/merge

[ti-chi-bot]

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

Commit hash: 3596eae

[ti-chi-bot]

@yuqi1129: Your PR was out of date, I have automatically updated it for you.

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