ddl: fix create partition table error under NO_UNSIGNED_SUBTRACTION (#25435)

[ti-srebot]

cherry-pick #25435 to release-5.1
You can switch your code base to this Pull Request by using git-extras:

# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/25556

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/tidb.git pr/25556:release-5.1-9c947dffe4ef

---

What problem does this PR solve?

Issue Number: close #24880, related to #24150

Problem Summary:

• create partition table error while using 'NO_UNSIGNED_SUBTRACTION…

What is changed and how it works?

What's Changed:

• Change some logic in some check functions when creating partition tables.

How it Works:

• Consider session's SQLMode during correctness check when creating partition tables.
• But the current insert behavior is not the same as MySQL. This needs to be fixed afterwards.

Check List

Tests

• Unit test

Side effects

• N/A

Release note

• ddl: fix create partition table error under NO_UNSIGNED_SUBTRACTION

[ti-srebot]

/run-all-tests

[ti-srebot]

@wjhuang2016 you're already a collaborator in bot's repo.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• qw4990
• rebelice

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[qw4990]

/merge

[ti-chi-bot]

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

Commit hash: 9e0809b

[ti-chi-bot]

@ti-srebot: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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.