Fix an invalid default value cause bootstrap failed (#4916)

[ti-chi-bot]

This is an automated cherry-pick of #4916

What problem does this PR solve?

Issue Number: close #3157

Problem Summary:

What is changed and how it works?

when value is 0.0, value.convert<Int64>(); raise a error.
Convert it to String first, and convert String to Int64 by std::stoull
static_cast<Int64>(std::stoull(value.convert<String>()));

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

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• CalvinNeo
• flowbehappy

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[Lloyd-Pottiger]

/run-all-tests

[CalvinNeo]

lgtm

[sre-bot]

lines: 25.6% (2788 out of 10875)
branches: 11.3% (1961 out of 17412)

[JaySon-Huang]

/run-all-tests

[JaySon-Huang]

/run-all-tests

[JaySon-Huang]

/rebuild

[JaySon-Huang]

/merge

[ti-chi-bot]

@JaySon-Huang: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

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

Commit hash: ef9e577