planner: fix the join scope with explicit parents (#33311)

[ti-srebot]

cherry-pick #33311 to release-6.0
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/33418

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

git push [email protected]:ti-srebot/tidb.git pr/33418:release-6.0-59fac2ababb5

---

Signed-off-by: AilinKid [email protected]

What problem does this PR solve?

Issue Number: close #31770

Problem Summary:

What is changed and how it works?

after this pingcap/parser#1129, tidb parser will reorganize join table regardless the explicit parents
Eg: t1 join (t2 join t3) will be reorged as (t1 join t2) join t3
parser/1129 seek to solve the problem
1: with no explicit parents join sequence like: t1 join t2 join t3, make them left-associative
2: with explicit parents and can be reorder the join sequece, like: a join b right join c, we find it here, change the right join as left join, then with the logical semantic same, rewrite it as a join c left join b

Although it's a nice idea, we still has something to do before that, like name resolution in parents scope. like:
select t1.* from t t0 cross join (t t1 join t t2 on 100=t0.a)
t0.a here shouldn't be seen by the join inside. But after it's rewrite it's different
select t1.* from (t t0 cross join t t1) join t t2 on 100=t0.a

this kind of join reorder can be detected and improved in logical optimization.

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-srebot]

/run-all-tests

[ti-srebot]

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

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/a8711d9cf9baed19c68e66467a4a5935918830ff

[purelind]

/run-mysql-test

[xhebox]

closed for DMR version