Support DML generation for blob data

[michaelmdeng]

What problem does this PR solve?

Issue Number: close #710

Helps address #350.

Supports supports generating DMLs to resolve diffs in blob data. Essentially a copy of #709, with differences:

• Resolves merge conflicts
• Does not incorporate sync_diff_inspector: use hex to compare blob data #709 fixes to use hex to compare data. String compare will already compare data byte-by-byte.
• Adds relevant tests

What is changed and how it works?

Generate correct DML to update different tables w/ blob data by converting data into hex for insert/replace/delete.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to be included in the release note

Release note

None

[CLAassistant]

All committers have signed the CLA.

[Leavrth]

please make format

[lyzx2001]

please fix the fmt error in unit tests

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Leavrth, lyzx2001

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• OWNERS [Leavrth]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-05-07 08:43:09.158536198 +0000 UTC m=+951542.915671770: ☑️ agreed by Leavrth.
• 2024-05-07 15:40:40.123640929 +0000 UTC m=+976593.880776504: ✖️🔁 reset by michaelmdeng.
• 2024-05-08 05:51:26.029920776 +0000 UTC m=+1027639.787056350: ☑️ agreed by lyzx2001.