planner: outer merge join cannot keep the prop of its inner child (#33359)

[ti-srebot]

cherry-pick #33359 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/33372

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

git push git@github.com:ti-srebot/tidb.git pr/33372:release-5.1-1287eab595d0

---

What problem does this PR solve?

Issue Number: close #33042

Problem Summary:

If the merge join is outer join. We cannot make sure that its output can keep the input order of the inner side.

What is changed and how it works?

Reject the mentioned case.

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]

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[ti-chi-bot]

@ti-srebot: This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

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[ti-srebot]

/run-all-tests

[ti-srebot]

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

[VelocityLight]

This pull request is closed because it's related version has closed automatic cherry-picking.
If it's still needed, you can reopen it or just regenerate it using bot,
see:

• https://prow.tidb.io/command-help#cherrypick
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• https://internals.tidb.io/t/topic/785