planner: move logic of plan cache stmt checking to plan cache backend

[qw4990]

What problem does this PR solve?

Issue Number: ref #36598

Problem Summary: planner: move logic of plan cache stmt checking to plan cache backend

What is changed and how it works?

No logical change, just move logic of plan cache stmt checking to plan cache backend

Check List

Tests

• [ ] Unit test
• [x] 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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Reminiscent
• Yisaer

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.

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[hawkingrei]

/run-check_dev_2

[qw4990]

/merge

[ti-chi-bot]

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

Commit hash: 4d46763dab241f7d4262c6cda379f78ff737532e

[qw4990]

/merge

[hawkingrei]

/hold

@qw4990 Please fix the test.

[hawkingrei]

/run-all-tests

[hawkingrei]

/unhold

[qw4990]

/merge

[qw4990]

/merge

[qw4990]

/merge

[ti-chi-bot]

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

Commit hash: 0850b9afcf3582a6f292eb23ae2f843040d7b78d

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/a2142224e69d023cb06a20ae665d15b6ec3adea9

[qw4990]

/merge

[ti-chi-bot]

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

Commit hash: a2142224e69d023cb06a20ae665d15b6ec3adea9

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! New failing [1] after this pr merged. These new failed integration tests seem to be caused by the current PR, please try to fix these new failed integration tests, thanks!

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci-tidb/integration-ddl-test	🟥 failed 1, success 5, total 6	7 min 59 sec	New failing
idc-jenkins-ci-tidb/integration-common-test	✅ all 17 tests passed	15 min	Fixed
idc-jenkins-ci/integration-cdc-test	🟢 all 36 tests passed	27 min	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 11 tests passed	12 min	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	7 min 19 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	6 min 10 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	4 min 16 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 21 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	3 min 14 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed