ddl: Remove useless serialized result of ColumnInfo

[JaySon-Huang]

What problem does this PR solve?

Issue Number: close #9497

Problem Summary:

What is changed and how it works?

if origin_default_bit_value/origin_default/default/default_bit/type.{Charset,Collate,Elems} is empty, don't set it to the ColumnInfo serialized output
And also for the partition of TableInfo

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]

PR needs rebase.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JinheLin, Lloyd-Pottiger

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-29 10:52:59.932155664 +0000 UTC m=+179335.352368672: ☑️ agreed by Lloyd-Pottiger.
• 2024-10-08 06:42:16.968881641 +0000 UTC m=+941892.389094653: ☑️ agreed by JinheLin.